Question

when installing nm cable into a single gang box with an opening of 4\ by 2 - 1/8\, what is the minimum length of wire required outside the opening according to nec article 300?
3\
6\
9\
12\

Explanation:

According to NEC Article 300.14, when installing NM (Non - Metallic) cable into an outlet box, junction box, or device box, the minimum length of wire required outside the opening is 6 inches. This is to ensure that there is enough wire for proper termination and connection of electrical components within the box.

Answer:

6"