UTILITY SERVICE ENTRANCE STANDARDS - NB Power
UTILITY SERVICE ENTRANCE STANDARDS
UTILITY SERVICE ENTRANCE STANDARDS
Table Of Contents
0. Scope ......................................................
1
1. Definitions ................................................
1
2. Deviations From The Standard ........................
3
3. The Canadian Electrical Code .........................
3
4. Interference With Utility Equipment .................. 4
5. Requirements For Service ..............................
4
6. Supply Voltages ..........................................
4
7. Utility Owned Transformers ...........................
6
8. Load Balance .............................................
6
9. Electric Loads ............................................
6
10. Service Capacity .........................................
8
11. Service To Multiple Occupancy Buildings ........... 8
12. Service Entrances ........................................
10
13. Customer Service Conductors .........................
17
14. Customer Service Equipment ..........................
19
15. Canadian Electrical Code Rules Regarding Service
Entrances .................................................
20
Table Of Contents (cont'd)
16. Metering ................................................... 23
17. Metering Specification For Customer Owned Switchgear ..................................... 31
Figures:
Fig. 1 Fig. 2 Fig. 3
Fig. 4
Fig. 5
Fig. 6
Fig. 7 Fig. 8 Fig. 9 Fig. 10 Fig. 11 Fig. 12 Fig. 13
Service Mast Extending Through Roof
Service Point of Attachment on Wall
Pre-Wired, Single Phase, 120/240 Volt, 201 t o 600 Amp, Current Transformer Connected Enclosure
Single Phase, 120/240 Volt, 201 to 600 Amp, Current Transformer Connected
Three Phase, 120/208 or 347/600 Volt 201 t o 1200 Amp
Current Transformer Connected May Pole, 120/240V 400 Amp
Self-Contained May Pole, 120/240V to 200 Amp
Customer Owned Pole for Non-Fixed Premise
Temporary Service Entrance, Tripod Mounted
Outdoor Metering
Utility Metering Equipment - Summary
Installation of Metering Current Transformers
Municipal Festive Lighting
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