BASIC ELECTRICITY 101

BASIC ELECTRICITY 101

Kevin Booker, Executive Director State Electrical Division of Nebraska

Review some typical hazards associated with electricity and learn how to mitigate the hazards.

OBJECTIVES

In the United States, electrical hazards are

ranked number 6 among all causes of work-related deaths.

The following drawing shows how circuit breakers access the incoming power:

SINGLE PHASE ELECTRIC PANEL

ELECTRIC PANEL

Double Pole Circuit Breaker 240v

240v Circuit

Neutral

Main Power 240v / 120v -1?

Main Breaker

Bus Bars

Single Pole Circuit Breaker 120v

120v Circuit

Ground

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