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If failed to pass, you will be moved to the beginning of that section for more review.Mobile users – Many current mobile devices are compatible with AnytimeCE and will probably work. If not, use a desktop or laptop computer to complete your course.Quiz 1: WA Electricians: Answer all questions - 50% of the following will appear in random order with random answers -as required by WA LNINEC chapters 5 through 7 cover _______.general occupanciesspecial equipmentutilitiesall of the answers providedThe NEC governs all things electrical, including electrical utility storage equipment.TrueFalseIf equipment is listed, it ______ for use in every installation.is permittedis not permitted without approvalis suitablemay not be suitableNEC accessibility requirements allow for ______ to gain access to electrical equipment.crawling under obstaclesclimbing laddersusing keysusing toolsIf a building is larger than the building code allows, ______.it must be torn downit can be divided by fire wallsit must be constructed from brickit cannot contain any electrical equipmentA cable routing assembly may contain ______.only optical fiber cablespower-limited fire alarm cablesuninsulated conductorsall of the answers providedComputers, routers, servers and ______ are becoming essential to the transmission of audio, video and data.their powering equipmentDVD playerstheir shipping containersstereosA communications raceway may contain ______.any type of cableoptical fiber cablesanything related to communicationsonly copper conductorsA cord connector designated for hazardous locations must include ______.an explosion-proof seala flameproof seal either of the answers providednone of the answers providedDusttight enclosures are designed to prevent dust from entering ______.except under extreme conditionsunder specified conditions in outdoor environmentsin hazardous environmentsThe NEC’s definition of electric signs does not include those that are ______. illuminatedportablenon-illuminatednone of the answers providedA Field Evaluation Body (FEB) performs field evaluations of ______.electrical equipmentwire coatinghazardous locationsinspector complianceEquipment that has been labeled by a Field Evaluation Body indicating that it was found to comply with requirements is called ______.suitablenon-hazardousdusttightfield labeledA photovoltaic system converts solar energy into electrical energy ______.that is useless for any practical applicationswith the use of the windfor connection to a utilization loadonly for self-contained systemsA process seal for hazardous locations is a seal between electrical systems and ______.the surrounding airflammable or combustible fluidsflood waternone of the answers providedA raceway may be nonmetallic.TrueFalseA receptacle is a ______ installed at the outlet for the connection of an attachment plug.surge protectorbare conductor terminationwatertight sealcontact deviceThe NEC’s definition of a structure includes ______.a free-standing switchboarda light polean electric signnone of the answers providedA ______ is an assemblage of equipment through which electric energy is passed for the purpose of distribution.photovoltaic cellfusesubstationconductorQuiz 2: WA Electricians: Answer all questions - 50% of the following will appear in random order with random answers -as required by WA LNIProduct testing, evaluation and listing may be performed by ______.recognized qualified electrical testing laboratoriesan inspector in the fieldany licensed electricianall of the answers providedThe NEC has specified that all conductors are to be ______ or ______ unless otherwise specified.sealed, protectedcopper, aluminumglued, stapledtitanium, steelEquipment intended to interrupt current at fault levels shall have an interrupting rating at nominal circuit voltage ______ the current that is available at the line terminals of the equipment.greater thanless thanat least equal to suitable forEquipment identified ______, such as “dry locations,” “indoor use only” or “damp locations” shall be protected against damage from the weather during construction.only for outdoor useas refurbishedwith a field labelonly for indoor useThe 2017 NEC ______ the use of a calibrated torque tool to achieve the indicated torque when installing electrical equipment.requiresprefersrecommendsdoes not allowThe NEC requires that arc-flash hazard warning labels contain ______.a picture of a lightning bolta bright yellow backgroundthe date the label was appliedthe initials of the person who applied the labelThe NEC does not require service equipment labeling if an arc-flash label is applied in accordance with acceptable industry practice.TrueFalseThe marking requirement for reconditioned equipment states that the label must contain ______.the current owner’s company namean orange backgroundthe date of the reconditioningthe date of original manufactureThe NEC does not require reconditioned equipment to be labeled when ______.there’s no good place to put a labelthe equipment is only accessible by qualified service personsit’s obvious that the equipment is not newthe equipment is located where no one would likely see the label anywayField-applied hazard markings must warn of ______ using effective words, colors, symbols or any combination of the three.ambient air temperaturewater proximityconductor sizehazardsThe calculation of the available fault current of an electrical system ______.must be made available to authorized inspectorscan only be done for residential installationsshould not be stored with other documentationall of the answers providedWhere equipment operating at 1000 volts or less to ground that requires servicing while energized is installed above a lay-in ceiling, the accessible opening must be ______.smaller than 22 inches by 22 inchesat least 30 inches by 30 inchesno less than 22 inches by 22 incheslarge enough to fit two electricians working side by sideEquipment operating at 500 volts or less to ground that requires adjustment while energized is installed in a crawl space with limited access. The accessible opening must be ______.at least 22 inches by 22 inchesapproved for equipment servicingno further than 6 feet from an exitno less than 22 inches by 30 inchesIn enclosures with exposed live parts, ______ must be separated from high-voltage equipment by a suitable partition, fence or screen.residential spaceslow-voltage equipmentcommunications racewayswater pipesIllumination for working spaces around service equipment ______.can be automatic as long as there is also a manual overrideshould not use LED bulbsmust be at least 12 inches from the service equipmentmust turn on automaticallyRoof extensions are not permitted in the working clearance space around electrical equipment.TrueFalseOutdoor electrical equipment shall be installed in ______.metallic boxes requiring key accesslocked buildingsenclosures rated for hazardous locationsidentified enclosuresLive parts of electrical equipment operating at ______ shall be guarded against accidental contact by approved enclosures or elevation above the floor.standard temperaturehigh altitudes50 to 1000 volts nominalmaximum capacityA complete electrical system design shall be made available to the AHJ and shall be tested when ______.first installed on sitethe AHJ is available to watchthe AHJ is not available to watchthe installation is 50% completeQuiz 3: WA Electricians: Answer all questions - 50% of the following will appear in random order with random answers -as required by WA LNINEC Article 210 provides general requirements for ______.enclosure fill calculationsconduit and tubing sizingwiring methodsbranch circuitsThe 2017 NEC conductor grouping requirements for multi-wire branch circuits mandate that all ungrounded and neutral circuit conductors must ______ in every enclosure.not be grouped togetherbe grouped togetherbe at least 10 AWGnot touch each otherIn an installation with an existing voltage system where a new voltage system is being added, it is permissible to ______.not mark the new system when it’s easy to tell them apartmark only the old system as “OLD SYSTEM”mark the new system with a ball-point penmark only the new system voltageFor branch circuits supplied from DC systems, the NEC permits size ______ conductors to be marked at termination, connection and splice points, rather than along the entire length of the conductor.2 AWG4 AWG8 AWGnone of the answers providedWhen determining the distance from a receptacle to a bathtub, measure the shortest path an appliance cord connected to the receptacle would follow, even for receptacles located outside the bathroom doorway.TrueFalseGFCI protection in unfinished portions of dwelling unit basements ______.must be installedmust not be installedmust be installed only if someone occasionally sleeps in the unfinished basementmust not be installed if the area is used for food storageTo determine if a GFCI receptacle is required near a sink in a dwelling unit bathroom, measure from the receptacle location to ______.the outside edge of the sinkthe top inside edge of the sink bowlthe center of the sink drainnone of the answers providedIn commercial building crawl spaces, ______ must have GFCI protection.single-phase receptacles rated 150 volts to groundthree-phase receptacles rated 250 volts to groundboth of the answers provided abovenone of the answers providedLighting outlets in crawl spaces are required to be GFCI protected ______.in any building where the crawl space is less than 3 feet tallonly in residential buildingsonly in non-dwelling unitsin both residential and commercial buildingsAt least one 120-volt, 20-amp dedicated branch circuit shall be installed to supply receptacle outlets in ______.detached garages with electrical powerdetached garages without electrical powerdetached garages with only one stallnone of the answers provided120V, single-phase, 15A and 20A branch circuits supplying outlets and devices installed in ______ of hotels shall be AFCI protected.medicine cabinetsconference roomsguest roomsworkout roomsWhen calculating wall space for receptacle installation, it is not necessary to include ______.spaces less than 2 feet widespaces with countertopsspace measured around cornersnone of the answers providedA receptacle outlet to serve a specific appliance ______ to be supplied from an individual branch circuit rated 15 amps or greater.may not be permittedis never allowedshall be requiredshall be permittedA peninsular countertop measuring ______ does not require a receptacle outlet.20 inches wide by 24 inches long12 inches wide by 30 inches long12 inches wide by 20 inches long14 inches wide by 22 inches longIn an attached garage, at least one receptacle outlet must be installed ______. (choose the best answer)in each vehicle bayhigher than 5-1/2 feet above the floorboth of the answers providedneither of the answers providedA receptacle outlet must be installed within 25 feet of indoor service equipment.TrueFalseWhere the service voltage is greater than 120 volts to ground, a receptacle outlet is not required for services dedicated to ______.solar cellspond filtration pumpsindustrial washing machinesnone of the answers providedWhen installing dimmer switches for dwelling unit stairwell lighting, ______.three-way switches must be usedfour-way switches must be useddimmer switches must be installed at each switch locationonly dial-type dimmer switches may be usedIn utility rooms containing equipment requiring servicing, ______ containing a switch or controlled by a wall switch shall be installed.at least one lighting outletat least one receptacle outletat least one panelboardall of the answers providedWhen determining the required number of receptacle outlets for a non-dwelling meeting room, ______ must be considered.the number of computers likely to be used in the room at one timethe number of overhead lightsthe minimum size of the room with the partitions in placenone of the answers providedQuiz 4: WA Electricians: Answer all questions - 50% of the following will appear in random order with random answers -as required by WA LNIIf the OCPD protecting the feeder in an assembly is listed for operation at 100% of its rating, the allowable ampacity of the minimum-sized feeder conductors must be at least the sum of the noncontinuous load plus ______ of the continuous load.80%90%100%125%Where a portion of a feeder is connected at both its supply and load ends to separately installed pressure connections, the allowable ampacity must be at least ______.125% of the noncontinuous load125% of the continuous loadthe sum of the continuous load plus the noncontinuous loadthe sum of 125% of the continuous load plus the noncontinuous load Grounded conductors that are ______ are permitted to be sized at 100% of the continuous and noncontinuous load.at least size 10 AWGnot connected to an overcurrent deviceconnected to an overcurrent protection deviceinstalled in flexible metal conduitThe 2017 NEC Article 220 provides requirements for calculating ______.branch-circuit sizefeeder installationenclosure fillservice loadsTable 220.12 General Lighting Loads by Occupancy provides a value of ______ for schools.2 VA per sq. ft.3 VA per sq. ft.3.5 VA per sq. ft.1.2 VA per sq. ft.Using NEC Article 220.12 Exception No. 2 and Table 220.12 for a 75,000-sq. ft. bank building with a continuous lighting load, the minimum lighting load is ______.328,125 VA187,500 VA234,375 VA262,500 VAUsing NEC Article 220.12 Exception No. 2 and Table 220.12 for a 125,000-sq. ft. office building with a continuous lighting load, the minimum lighting load is ______.234,375 VA328,125 VA546,875 VA390,625 VAThe minimum unit lighting load for a grocery store is ______.3-1/2 VA per square foot2 VA per square foot3 VA per square foot1 VA per square footWhen determining existing service loads, the calculation can be based on load data measured for 30 days in the event that maximum demand data for ______ is not available.adjacent buildingsexisting refurbished equipmenta 2-year perioda 1-year periodA mast supporting overhead feeder conductors must have adequate strength to safely withstand the strain imposed by the overhead conductors or it must be supported by ______.extra couplingsa wide metal basebraces or guysnone of the answers providedOverhead spans of open multiconductor cables over rooftops must have vertical clearance of ______.no more than 8 feet 6 inchesno more than 8 feetno less than 8 feetno less than 8 feet 6 inchesRaceways on building exteriors are required to be ______.arranged to drainapproved by the AHJlisted for use in hazardous locationsall of the answers providedRaceway sealants must be ______.listed for the purposeidentified for use with the components presentexplosion-proofapproved for use in hazardous locationsElectric vehicle charging stations may be listed, labeled and identified for more than one feeder or branch circuit.TrueFalseService raceways are permitted to contain ______.feeder conductorsbranch-circuit conductorsovercurrent protection devicesservice conductorsThe 2017 NEC allows trees to be used to support ______.overhead service conductorselectrical service equipmentboth of the answers providednone of the answers providedOverhead service conductors ______.may not pass over railroad tracksmust clear railroad tracks by at least 20 feetmust clear railroad tracks by at least 24-1/2 feetmust cross railroad tracks undergroundMetal support structures supporting overhead service conductors passing over a roof must be bonded to ______.the grounded overhead service conductorthe side of the buildingan additional metal structure that touches the groundthe rooftopFor an installation with a 200A, 3-phase, continuous load with 3 current-carrying copper conductors with insulation rated at 75C, what size service-entrance conductors are required?4/0 AWG250 AWG300 AWG350 AWGFor an installation with a 240A, 3-phase, continuous load with 3 current-carrying copper conductors with insulation rated at 75C, what size service-entrance conductors are required?250 AWG300 AWG350 AWG400 AWGCables permitted for use in cable trays ______. must be listed for use in cable traysmust be field labeled with “CT”must be marked by the manufacturer with “CT”all of the answers providedRaceways enclosing service-entrance conductors must be listed or approved as rainproof.TrueFalseThe 2017 NEC requires that service heads on service-entrance cables are located ______ the service drop.below the point of attachment ofabove the point of attachment ofabove the roofline ofwithin a gooseneck atA meter socket does not need to be listed when ______.it is rated for the voltage and ampacity of the serviceit’s an individual meter socketit is going to be field labeledit’s under the exclusive control of an electric utilityThe NEC does not allow ______ to be connected to the supply side of a service disconnect.solar PV systemsbatteriesHVAC equipmentwind electric systemsWhere fuses are used as the service overcurrent device, the ______ shall be located ahead of the supply side of the fuses.meter socketdisconnecting meansattach pointracewayQuiz 5: WA Electricians: Answer all questions - 50% of the following will appear in random order with random answers -as required by WA LNIAccording to Table 240.6(A), ______ is a standard ampere rating for a fuse.45556575If we calculate the minimum ampere rating for a fuse of 180 amps, what standard ampere rating fuse should we select?175 amps200 amps210 amps300 ampsIf a tool is required to open an industrial control panel, it is considered to be ______.not readily accessiblenot suitable for usereadily accessiblesuitable for use with AHJ approvalIf a 1500 A fuse has a clearing time of .08 seconds at the available arcing current, ______.the NEC does not permit its useanother method of arc energy reduction must be providedthe AHJ must approve it for use in that installationdifferential relaying must be usedIf arcing currents exceed the instantaneous trip level, the circuit breaker will trip ______.in the maximum possible timebefore a fire can startwhen the arc energy increasesin the minimum possible timeNFPA 780-2014, Standard for the Installation of Lightning Protection Systems provides information on installation of grounding and bonding for lightning protection systems.TrueFalseIn order to stop objectionable current, the NEC permits ______ alteration(s).installer-testedmultipleonly oneobjectionableClass 2 load-side circuits for suspended ceiling low-voltage power grid distribution systems shall not be______.readily accessibleinstalled below a height of 6-1/2 feet from the floorgroundednone of the answers providedThe grounded conductor in a single raceway or cable shall not be ______ specified in Table 250.102(C)(1).larger thansmaller thanof any typeinsulated, asIf a building is supplied by a feeder from an outdoor separately derived system, a system bonding jumper at both the source and the first disconnecting means shall be permitted.Yes, if the AHJ approves it.No, this is never permitted.Yes, if it does not establish a parallel path for the grounded conductor.Yes, but only if the separately derived system is a transformer.The ______ must be used as the grounding electrode for a separately derived alternating-current system.building or structure grounding electrode systemclosest water pipelargest metal structural elementall of the answers providedThe common grounding electrode conductor for a separately derived alternating-current system is permitted to be ______.any metal pipeany PVC pipea metal water pipea metal gas pipeA metal in-ground support structure in direct contact with the earth ______, with or without concrete encasement is permitted to be used as a grounding electrode.horizontally for at least 20 feetvertically for at least 10 feetvertically for no more than 10 feetover an area of at least 10 square feet______ are permitted to be used as grounding electrodes.Swimming pools Aluminum structures, provided they’re underground,Metal gas pipesnone of the answers providedA ground ring must be installed at least ______ below the surface of the earth.30 inches42 inches36 inches48 inchesBonding together of all separate grounding electrodes will limit ______ differences between them and between their associated wiring systems.ampacitymaterialvoltageall of the answers providedA 6 AWG or larger copper or aluminum grounding electrode conductor not exposed to ______ shall be permitted to be run along the surface of the building construction without metal covering or protection.moistureexcessive heatrainphysical damageA 6 AWG or larger copper or aluminum grounding electrode conductor exposed to possible physical damage must be protected in ______.RMCcable armorPVCany of the answers providedGrounding electrode conductors in contact with the earth shall be buried or otherwise protected ______.if subject to physical damageunless subject to physical damageif subject to floodingunless larger than 6 AWGBonding jumpers from grounding electrodes are permitted to be connected to an aluminum or copper busbar ______ and of sufficient length to accommodate the number of terminations necessary for the installation.at least 3/8-inch-thick by 2 inches wideat least 1∕4-inch-thick by 2 inches wideno larger than 1/4-inch-thick by 2 inches widenone of the answers provided If a grounding electrode conductor is connected to a single concrete-encased electrode and does not extend to any other electrode requiring a larger size conductor, the grounding electrode conductor does not need to be larger than ______ copper wire.8 AWG6 AWG4 AWG2 AWGIf a bonding jumper is connected to a 6 AWG copper ground ring and extends to another electrode requiring a 4 AWG conductor, the bonding jumper does not need to be larger than ______.4 AWGthe size specified by the AHJthe size specified by Table 250.666 AWGA grounding electrode conductor is permitted to extend the connection to an electrode by being connected to interior metal water pipe that is electrically continuous with a metal underground water pipe electrode and located not more than 5 feet from the point of entrance to the building.TrueFalse______ securing the structural steel column that are connected to a concrete-encased electrode that complies with 250.52(A)(3) and is located in the support footing or foundation shall be permitted to connect the metal structural frame of a building or structure to the concrete encased grounding electrode.Concrete structuresHold-down boltsMetal rivetsall of the answers providedA rebar-type concrete-encased electrode with an additional rebar section extended from its location within the concrete to an accessible location ______ shall be permitted for connection of grounding electrode conductors and bonding jumpers. at least 18 inches above the earthalong the building structurethat is not subject to corrosionwithin 5 feet of the point of entry to the structureQuiz 6: WA Electricians: Answer all questions - 50% of the following will appear in random order with random answers -as required by WA LNIA metal elbow installed in a run of underground ______ and buried beneath 22 inches of earth shall not be required to be connected to the grounded system conductor, supply side bonding jumper, or grounding electrode conductor.nonmetallic racewaymetallic racewayconcretegravelMetal components that are part of an installation of nonmetallic raceway and are isolated from possible contact to any part of the metal components by being encased in at least 2 inches of concrete ______.are required to be bonded to the equipment grounding conductorshould be bonded to the supply-side bonding jumperdo not have to be bonded to the equipment grounding conductor or supply-side bonding jumperneed to be re-installed in a properly grounded metallic racewayAn intersystem bonding termination (IBT) for connecting intersystem bonding ______ shall be provided external to enclosures at the service equipment or metering equipment enclosure.busbarsconductorsracewaystubesThe 2017 NEC requirements for bonding for communication systems permits an installer to ______.install a nonmetallic busbar in a lighted chicken coopnot install an intersystem bonding conductor (IBT) in a lighted chicken coopboth of the answers providedneither of the answers providedBonding jumpers may be made of ______.copper-clad aluminumporcelainany insulating materialany non-flammable materialA metal sprinkler system installed in a building may be bonded to a grounding electrode conductor.No, this is never permitted.Yes, if the conductor is of sufficient size.No, this is not permitted inside a building.Yes, but only if the grounding electrode conductor is copper.If a bonding jumper is of sufficient size, a metal piping system installed in a building that is likely to become energized may be bonded to ______.an ungrounded busbarany metallic racewayany nonmetallic racewaya grounding electrodeA building with ______ not intentionally grounded and likely to become energized may be bonded to a service equipment enclosure.concrete footingsa metal piped sprinkler systeman exposed metal frameany of the answers providedAn equipment grounding conductor run enclosing the circuit conductors may include flexible metal conduit that is ______.larger than 1-1/4 inchesnot listedsmaller than 1-1/4 inchesmade of rubberThe sizing of a wire-type EGC is determined by the ______ for the feeder or branch circuit.size of the conduit the installer plans to useproposed location type of conduit the installer plans to usesize of the overcurrent protection deviceIf multiconductor cables are installed in parallel in the same auxiliary gutter, a single equipment grounding conductor that is sized in accordance with 250.122 shall be permitted ______ the equipment grounding conductors provided within the multiconductor cables and shall all be connected together.in combination within lieu ofto be removed fromto be undersized because ofIf the overcurrent protection device (OCPD) in the circuit ahead of the equipment is rated at 80 A, what is the minimum size grounding conductor we can install?10 AWG copper8 AWG copper8 AWG aluminum4 AWG aluminumIf the setting of an overcurrent protection device (OCPD) in the circuit ahead of the equipment is 204 amperes, we are permitted to install a ______ copper grounding conductor.4 AWG6 AWG8 AWG10 AWGIf circuit conductors are terminated on equipment______, all equipment grounding conductors associated with any of those circuit conductors shall be connected within the box.abovegroundadjacent to a boxwithin a boxundergroundThe neutral conductor of an impedance grounded neutral system over 1000 volts must be insulated.No, this is not permitted.Yes, it must have the same insulation as the phase conductors.No, insulation requirements only apply to systems under 1000 volts.Yes, it must be insulated to the maximum neutral voltage.Conductors ______ shall be permitted to be arranged as isolated phase, neutral, and grounded conductor installations.installed in metallic raceways run undergroundinstalled in nonmetallic raceways run undergroundinstalled in nonmetallic raceways run abovegroundinstalled in metallic raceways run abovegroundBackfill that contains large rocks, paving materials, cinders, large or sharply angular substances, or corrosive material shall not be placed in an excavation where materials may damage ______.grounding rodscablesovercurrent protection devicesmeter socketsSealants for underground raceways shall be ______ for use with the cable insulation, conductor insulation, bare conductor, shield, or other components.listedpre-approved by the AHJidentifiedpretreatedThe underground installation of a circuit controlling a low-voltage lighting system of 30 volts or less ______.may be buried less than 6 inches if specified in the installation instructionsmust be buried at least 6 inchesmust be buried at least 8 inchesmust be left in an uncovered trenchRaceways shall be provided with expansion, expansion-deflection, or deflection fittings where necessary to compensate for ______.thermal vibrationthermal contractionchanges of direction in the racewaythe transition from indoors to outdoorsRaceways, cable armors, and cable sheaths shall be ______ between cabinets, boxes, fittings, or other enclosures or outlets.continuousmetallicno longer than 8 feetsealed against moistureA size 10 AWG conductor in a vertical raceway must be supported ______.at least every 200 feetonly once near the topat least every 100 feetonce in the middle and once at the topCabling systems listed for use in other spaces used for environmental air, shall be permitted to be installed in ducts specifically fabricated for environmental air-handling purposes if ______.necessary to connect to equipment located in the ductapproved by the AHJlisted and approved for use in environmental air ductsnecessary to connect to air sensors for the duct airQuiz 7: WA Electricians: Answer all questions - 50% of the following will appear in random order with random answers -as required by WA LNIThe 2017 NEC defines ______ as the conductive path(s) that provides a ground-fault current path and connects normally non–current-carrying metal parts of equipment together and to the system grounded conductor or to the grounding electrode conductor, or both.equipment bonding conductorbranch circuitequipment grounding conductorbonding jumperWhere different ampacities apply to portions of a circuit, the higher ampacity shall be permitted to be used if the total portion(s) of the circuit with lower ampacity does not exceed ______.10 percent of the total circuit10 feet10 percent of the higher ampacity circuiteither 10 feet or 10 percent of the total circuit, whichever is lessIf cables meeting the requirements in 310.15(B)(3)(4) a through c with no more than 20 current-carrying conductors are installed longer than 24 inches without maintaining spacing, are stacked, or are supported on bridle rings, a 60 percent adjustment factor shall be applied.TrueFalseWhere raceways or cables are exposed to ______ on or above rooftops, raceways or cables shall be installed a minimum distance above the roof to the bottom of the raceway or cable of 7∕8 of an inch.direct sunlightmoisturehigh windsindirect sunlightWhat ampacity correction factor must be applied for a 60C-rated cable installed 1 inch above a rooftop where the maximum ambient temperature is 88F?.96.91.821What ampacity correction factor must be applied for a 90C-rated cable installed 7/8 inch above a rooftop where the maximum ambient temperature is 110F?.96.76.82.87For a service rated 100 through 400 amperes, the service conductors supplying the entire load associated with a one-family dwelling shall be permitted to have an ampacity ______.not more than 83 percent of the service ratingnot more than 83 percent of the branch circuit ratingthat is at least 83 percent of the service ratingthat is at least 166 amperesA cable with nonmetallic sheath entering the top of a surface-mounted enclosure through a nonflexible 24-inch-long raceway ______ the fill percentage in Chapter 9 Table 1.may exceedmust be greater thanmay not exceedis not required to followA pair of 250 AWG compact stranded aluminum alloy conductors on a terminal are permitted to have a minimum wire bending space of ______ inches between the terminal and the wall opposite the terminal.44-1/256The total area of all conductors, splices, taps, and equipment at any cross section of the wiring space of an overcurrent device enclosure containing power-monitoring equipment ______ the cross-sectional area of that space.must be at least 45 percent ofmust not encroach onmay not exceed 75 percent ofmust be less than half ofBoxes, conduit bodies, outlet box hoods, and fittings installed in wet locations are permitted to have approved drainage openings not smaller than ______ and not larger than ______ in diameter installed in the field.1/8 inch – 1/4 inch1/8 inch – 3/8 inch1/4 inch – 3/8 inch1/4 inch – 1/2 inchA wiring enclosure box with a usable volume of 42 cubic inches is divided into three equal spaces by two nonmetallic dividers. What is the usable volume of each space?13 cubic inches13.3 cubic inches14 cubic inches14.3 cubic inchesThe 2017 NEC permits the installation of ______ 8 AWG conductors in a box partitioned into two spaces with volumes of 7.5 cubic inches and 10.5 cubic inches.3456Where a multiconductor Type UF cable enters a metal breaker box, the cable sheath must extend at least ______ inside the box and beyond any cable clamp.1/4 inch3/8 inch1/2 inch1 inchAn outlet receptacle box installed within a combustible surface material must extend to the finished surface ______.by at least 1/4 inchby no more than 1/8 inchor just below itor project beyond itA junction box installation requires the drilling of some extra mounting holes. This is permitted ______.provided the minimum number of holes are drilledat the installer’s discretionbut the holes must be approvedonly with pre-approval from the AHJA luminaire that weighs more than 50 pounds shall be supported independently of the outlet box, unless the outlet box is listed for ______. heavy-duty usenot less than the weight to be supporteduse specifically for luminairesnot more than 100 poundsWhere a separable attachment fitting receptacle is installed inside a box, ______.it must be included in the box fill calculationit must be dusttightit is not required to be included in the box fill calculationits volume can be assumed to be 1 cubic inchA conduit body is marked with a specific quantity and type of conductors but we wish to use that conduit body with a different quantity and type of conductors. The NEC ______.does not allow us to do sopermits us to do so, provided the deviation is approvedpermits this as long as the total cross-sectional area of the fill does not exceed the cross-sectional area of the conductors specified in the markingpermits this as long as the total cross-sectional area of the fill is more than the fill percentage in Chapter 9 Table 1Power distribution blocks installed on the line side of service equipment ______.shall be approved for use in wet locationsmust be rated for less than 1000 voltsmust be listed and marked as suchis required to have at least 2 openings per poleThe fittings used with Type AC cable are not required to be listed provided they are approved by the AHJ.TrueFalseType AC cable may be supported and secured by cable ties.Yes, if that is the support method the installer wishes to use.Yes, provided the ties are listed and identified for securement and support.Yes, but only metal cable ties may be used for armored cable.Yes, provided the cable is supported at least every 10 feet.Quiz 8: WA Electricians: Answer all questions - 50% of the following will appear in random order with random answers -as required by WA LNIType FCC cable systems are permitted for use in school and hospital buildings.No, those locations are not allowed because of the potential for hazardous vapors.Yes, they are permitted without restriction.No, it’s not permitted unless the AHJ grants an exception.Yes, they are permitted, but only in administrative office rmation about ______ for medium-voltage cable is described in ANSI/NECA/NCSCB 600-2014, Standard for Installing and Maintaining Medium-Voltage Cable.accepted industry practices and installation proceduresmanufacturing processesresearch and development technologiesnon-electrical uses ______ used for connecting Type MC cable to boxes, cabinets, or other equipment shall be listed and identified for such use.HarnessesCable tiesFittingsStrapsExposed runs of cable are permitted to be installed on the underside of joists provided they are supported at each joist and located ______.parallel to duct workat least 8 inches away from water pipesperpendicular to the joistsso as not to be subject to physical damageType MC cable shall be supported and secured by staples, cable ties ______, straps, hangers, or similar fittings or other approved means designed and installed so as not to damage the cable.of metal onlylisted and identified for securement and supportlisted and identified as nonmetallicapproved as suitableType NM, Type NMC, and Type NMS cables and associated fittings ______.must be supported at least every 12 inchescan include uninsulated conductorsshall be listedshall be approvedNonmetallic-sheathed cable is permitted to be installed exposed within a dropped or suspended ceiling cavity.No, this is never permitted.Yes, this is permitted, but only in single-family dwellings.Yes, this is permitted, but only in one- and two-family and multifamily dwellings.Yes, this is permitted, but only with AHJ approval.Nonmetallic-sheathed cable shall be supported and secured ______ every cable entry into enclosures such as outlet boxes, junction boxes, cabinets, or fittings.within 12 inches ofno closer than 10 inches tonext towithin 14 inches ofType TC cables and associated fittings ______.must be listedmust be approvedmust be used in wet locationsboth of the first two answers providedType TC cable is permitted for use in cable trays with mechanically discontinuous segments spaced 10 inches apart.TrueFalseIn one- and two-family dwelling units, Type TC-ER cable containing both power and control conductors shall be permitted.Yes, the 2017 NEC allows this.No, the 2017 NEC update no longer allows this.Yes, provided it is identified for pulling through structural members.Yes, provided it is listed.Type TC cable may be direct buried, provided ______.the soil is mostly dryit is buried no deeper than 18 inchesit is identified for such useall of the answers providedThe fittings for a Type USE cable ______.shall not be listed for use with other types of cablemust be field-labeled for underground usecan only be used undergroundare required to be listedFor Type SE cable with ungrounded conductor sizes 10 AWG and smaller, ______, the ampacity shall be in accordance with 60°C conductor temperature rating.where installed in an attic or crawl spaceand 4 AWG and largerwhere installed in thermal insulationif installed in a high-moisture areaType UF cable must be listed.Yes, but only if it is going to be direct buried.Yes, and the fittings used with it must be listed as well.Yes, but the fittings used with it are not required to be listed.No, it does not yet have a product standard, so it isn’t listed.Intermediate metal conduit (IMC) shall be permitted to be installed in areas subject to severe corrosive influences where protected by corrosion protection ______ for the condition.approvedsuitablelistedapplied Rigid metal conduit (RMC) that is PVC coated for corrosion protection is permitted to be used in corrosive locations, provided it is ______.listed for such usesuitable for the conditionapproved for the conditionrecommended by the manufacturerGalvanized steel RMC ______ to be installed in cinder fill where protected by corrosion protection approved for the condition.is not permittedis listedshall be permittedshall be requiredCable ties may be used to support flexible metal conduit (FMC). Yes, this is always permitted.Yes, provided they are listed and identified for securement and support.Yes, provided they are listed and made of metal.No, metal conduit is too heavy to be supported by cable ties.All cut ends of liquidtight flexible metal conduit (LFMC) shall be trimmed ______ to remove rough edges.with a listed deburring toolon the inside metal sheathif they are to be used for groundinginside and outsideWhere used with liquidtight flexible metal conduit (LFMC), cable ties shall be ______ for securement and support.listed and identifiedsuitableapproved and identifiedcertified by the manufacturerQuiz 9: WA Electricians: Answer all questions - 50% of the following will appear in random order with random answers -as required by WA LNICable ties used with liquidtight flexible nonmetallic conduit (LFNC) shall be ______ for securing and supporting.approved nonmetallic and suitablelisted as suitable for the application andnonmetallic and listedThe use of EMT shall not be permitted for concealed work in ______ locations.dryhazardouswetnone of the answers providedAluminum EMT shall be provided with ______ protection where encased in concrete or in direct contact with the earth.suitable corrosionapproved supplementary corrosionsupplementary structurallisted supplementary moistureStainless steel EMT shall be permitted to be installed in cinder fill where subject to permanent moisture when the tubing is installed at least ______ under the fill.8 inches12 inches18 inches24 inchesAluminum fittings and enclosures shall be permitted to be used with galvanized steel EMT, and galvanized steel fittings and enclosures shall be permitted to be used with aluminum EMT.No, these metals are too dissimilar to be used together.Yes, these metals can be used together without concern for galvanic corrosion.No, it is required to use fittings and EMT made of the same material.Yes, provided the installation is not subject to severe corrosive influences.Cable ties used with electrical nonmetallic tubing (ENT) shall be listed as suitable for the application and for securing and ______.bundlingsupportingholdingfixingWhere single paralleled conductor cables comprising each phase, neutral, or grounded conductor of an alternating-current circuit are installed in an auxiliary gutter, the conductors shall be installed in groups consisting of ______ to prevent current imbalance in the paralleled conductors due to inductive reactance.three conductors, one of which must be groundnot more than one conductor per phase, neutral, or grounded conductorat least four conductors no more than six conductors per bundleWhere a branch-circuit overcurrent plug-in device is directly supplying a readily accessible disconnect, ______.a ladder or stairway to access the disconnect must be provideda chain, rope or stick to operate the disconnect from the floor must be provideda method of floor operation shall not be requirednone of the answers providedConductors ______ within a metal wireway shall be installed in groups consisting of not more than one conductor per phase, neutral, or grounded conductor.connected in parallellarger than 10 AWGconnected in seriesbundled togetherThe sum of the cross-sectional areas of all contained conductors and cables in a metal wireway with cross-sectional area of 36 square inches ______.may not exceed 12.6 square inchesmust be at least 6 square inchesmay not exceed 7.2 square inchescannot be calculated prior to installationPower distribution blocks installed on the line side of the service equipment shall be marked “______" or equivalent. listed for use on the line side of service equipmentapproved for use on service equipmentsuitable for service equipmentsuitable for use on the line side of service equipmentWhere ______ are used in cable trays, fill calculations shall apply to each divided section of the cable tray.cable tiesungrounded conductorsdividerssupportsThe temperature rating associated with the ampacity of a conductor shall be selected and coordinated so as ______ of any connected termination, conductor, or device.not to exceed the lowest temperature ratingto maximize the ampacitynot to exceed the highest temperature ratingto minimize the temperature ratingA messenger-supported wiring system may be used to support an overhead service conductor ______ that has been evaluated for the applied nominal voltage.that must be less than 1000 voltsencased in a polymeric materialthat must be no less than 1000 voltsencased in a metallic meshArticle 400: Flexible Cords and Flexible Cables covers general requirements and applications for ______.cord sets, both listed and unlistedpower supply cords, but only those rated under 1000 voltslisted power supply cordsinstalling flexible conduit and tubingFlexible cord shall be permitted to be installed above a suspended ceiling if ______ for use in other spaces used for environmental air.listedcontained within an enclosurerated for 1000 volts or lessspecially insulatedThe grounded circuit conductor for a controlled lighting circuit shall be installed at the location where switches control lighting loads that are supplied by a grounded general-purpose branch circuit serving bathrooms, hallways, stairways, or rooms suitable for ______.electric servicelow moistureindustrial equipmenthuman habitation or occupancySnap switches shall be connected to an equipment grounding conductor and shall provide a means to connect ______ to the equipment grounding conductor, whether or not a metal faceplate is installed.the junction boxtermination fittingsmetallic conduitmetal faceplatesElectronic lighting control switches shall not introduce current on the equipment grounding conductor during normal operation.True, this is not permitted.True, but this doesn’t take effect until 2020.True, but this doesn’t take effect until 2018.True, provided they are correctly installed.Quiz 10: An outlet box hood does not serve to complete the electrical enclosure; it reduces the risk of ______ coming in contact with electrical components within the hood.a bare conductorrodentswaterdirtFor receptacles controlled by an automatic control device, the “controlled” marking shall be located on the receptacle face and ______.sidesat least 1/8-inch highvisible from at least 2 feet awayvisible after installationA 125-volt 15- or 20-ampere receptacle that additionally provides Class 2 power shall be ______ such that the Class 2 circuitry is integral with the receptacle.listed and constructedapproved and wiredmoisture- and dust-resistantall of the answers providedWhere grounding-type receptacles are supplied through the ground-fault circuit interrupter, grounding-type receptacles or their cover plates shall be marked ______ visible after installation.“GFCI” and “Ground Protected”“GFCI Protected” and “No Equipment Ground”“Grounded” and “Refurbished”“Grounding-type” and “Less Than 1000 Volts”When replacing a dwelling unit receptacle outlet, arc-fault circuit-interrupter protection shall not be required ______.when the AHJ approves itwhere it is impracticable to provide an equipment grounding conductorwhen an AFCI receptacle is not available from a local supplierwhere three of the four exception criteria have been satisfiedA replacement outlet receptacle in a dormitory unit ______.must be GFCI protectedmust be protected by a listed AFCI circuit breakermay be unlisted if the original receptacle was unlistednone of the answers providedListed tamper-resistant receptacles shall be provided where replacements are made at receptacle outlets that the NEC requires to be tamper-resistant.No, not unless the replacements are made in human occupancy areas.Yes, this is always true.No, not unless the outlets are located in dwelling units.Yes, except where a non-grounding receptacle is replaced with another non-grounding receptacle.Outlet receptacles shall not be installed in a face-up position in or on countertop surfaces or work surfaces ______.because the possibility of fluids running in is a safety hazardunless there is no other suitable place for an outlet receptacleunless listed for countertop or work surface applicationsbut rather on an adjacent wall or ledgeA flush device cover plate that additionally provides a night light shall be ______ such that the night light circuitry is integral with the flush device cover plate.listed and constructedlisted and approvedassembled and approvedapproved and constructedA 15-amp receptacle in a wet location with weatherproof protection that does not utilize an outlet box hood ______.isn’t required to be marked “extra duty”should be marked “water resistant”must be marked “listed for outdoor use”must be marked “extra duty”250-volt nonlocking-type receptacles in auditoriums ______.may be approved if they are not listedare not suitableshall be listed tamper-resistant receptaclesmust be listed and approved______ shall be placed in all service panelboards, switchboards, and switchgear such that no uninsulated, ungrounded service busbar or service terminal is exposed to inadvertent contact while servicing load terminations.Warning stickersBarriersRubber bumpersInsulating foamThe label for a panelboard supplied by a feeder in an industrial building must be permanently marked to indicate where the power originates; it must be permanently affixed, ______, and not handwritten.waterproofapproved by the AHJof sufficient durability to withstand the environment involvedof sufficient durability to withstand a hazardous environmentIf an industrial control panel is required to be marked with a short-circuit current rating, the available short-circuit current at the industrial control panel and ______ shall be documented and made available to those authorized to inspect the installation.the date and time the short-circuit current calculation was performedthe name of the person who performed the short-circuit calculationthe date of the original installation and the name of the inspectorthe date the short-circuit current calculation was performedThe location of the means necessary to disconnect all circuits in an industrial control panel that are ______ shall be documented and available.50 volts or more100 volts or lessat least 250 voltsno more than 1000 voltsA luminaire shall be permitted to be installed with ______ terminating in a grounding-type attachment plug or busway plug.an approved conductora corda bare conductora listed cable tieA luminaire assembly equipped with ______ and canopy shall be permitted to use a cord connection between the luminaire assembly and the canopy.a supplemental supporta strain reliefan external switchall metallic parts30029154661118002532380247904000269938529781500Tables for quiz questions-1313785313900-130175111760002835275150735600-27305291074000283527500005213600 ................
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