Licensed Electrical Contractor NEC Code Requirements 3

Question 1

AFCI (Arc-Fault Circuit Interrupter) protection is required by the NEC in:

Accepted Answer

Kitchens and dining rooms, bedrooms, living areas

Answer

NEC 210.12 requires AFCI protection in most dwelling unit living spaces.

Question 2

The minimum working space clearance in front of an electrical panel (600V or less) is:

Accepted Answer

36 inches

Answer

NEC 110.26 requires a minimum of 36 inches (3 feet) of clear working space.

Question 3

The maximum overcurrent protection for a #14 AWG copper conductor is:

Accepted Answer

15 amps

Answer

NEC 240.4(D) limits #14 AWG copper to 15 amps maximum overcurrent protection.

Question 4

Grounding and bonding are different because:

Accepted Answer

Grounding connects to earth; bonding connects metal parts together

Answer

Grounding = connection to earth. Bonding = connecting metal parts to ensure electrical continuity.

Question 5

NEC wire color coding requires the grounded (neutral) conductor to be:

Accepted Answer

White or gray

Answer

NEC 200.6 requires the grounded conductor (neutral) to be white or gray.

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