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

The electrician's preference

Answer

Always a maximum of 6 conductors

Answer

The color of the wires

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

Bedrooms only

Answer

Only commercial buildings

Answer

All rooms in a house

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

Has a driver's license

Answer

Has been an electrician for 1 year

Answer

Owns their own tools

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

3 feet from floor

Answer

No minimum, can be at floor level

Answer

10 feet from floor

Question 5

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

Accepted Answer

24 inches

Answer

6 inches

Answer

12 inches

Answer

36 inches

Question 6

The NEC requires a minimum of how many 20-amp small appliance circuits in a kitchen?

Accepted Answer

2

Answer

1

Answer

3

Answer

4