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Control inadequate wiring hazards

Electrical hazards result from using the wrong size or type of wire. You must control such hazards to create a safe work environment. You must choose the right size wire for the amount of current expected in a circuit. The wire must be able to handle the current safely. The wire’s insulation must be appropriate for the voltage and tough enough for the environment. Connections need to be reliable and protected.

Use the right gauge and type of wire.

AWG—American Wire Gauge— a measure of wire size

14 AWG

20 amps

12 AWG

12 AWG

10 AWG

(stranded)

(solid)

25 amps

30 amps

8 AWG

6 AWG

40 amps

55 amps

2 AWG

1/0 AWG

95 amps

125 amps

Wires come in different gauges. The maximum current each gauge can conduct safely is shown.

Section 7

Page 41

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