Question

Chosen for non motorized equipment is an overcurrent protection device of 40 amps. The smallest size that is allowed for copper equipment grounding wire for that circuit is

1. 6
2. 8
3. 10
4. 12

Answer 1

The smallest size allowed for copper equipment grounding wire for a circuit with a 40 amp overcurrent protection device is 12 gauge.

Step-by-step explanation:

The smallest size allowed for copper equipment grounding wire for a circuit with an overcurrent protection device of 40 amps is 12 gauge.