Licensed Electrical Contractor NEC Code Requirements 2

Question 1

According to the NEC, the maximum number of conductors allowed in a junction box is determined by:

Accepted Answer

Box fill calculations based on box volume and conductor sizes

Answer

NEC Article 314.16 requires box fill calculations to determine maximum conductors.

Question 2

The NEC requires GFCI protection for 125V, 15- and 20-amp receptacles in:

Accepted Answer

Bathrooms, kitchens within 6 feet of sink, and outdoors

Answer

NEC 210.8 requires GFCI protection in wet/damp locations including bathrooms, kitchens near sinks, and outdoors.

Question 3

The NEC defines a 'qualified person' as someone who:

Accepted Answer

Has skills and knowledge related to electrical equipment and has received safety training

Answer

NEC Article 100 defines qualified person based on skills, knowledge, and safety training.

Question 4

The minimum height for a residential electrical panel is:

Accepted Answer

The working space must allow access to all breakers up to 6'7" maximum

Answer

NEC 240.24(A) requires panels be readily accessible, with no breaker handle above 6'7".

Question 5

Per the NEC, the minimum burial depth for direct-buried UF cable in a residential yard is:

Accepted Answer

24 inches

Answer

NEC Table 300.5 requires 24 inches minimum burial depth for direct-buried cables (non-GFCI).

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