Licensed Electrical Contractor NEC Code Requirements 1

Question 1

According to NEC 110.26, the minimum depth of working space required in front of electrical equipment rated 600V or less (Condition 1) is:

Accepted Answer

3 feet

Answer

18 inches

Answer

2 feet

Answer

4 feet

Question 2

Under NEC Chapter 9, Table 1, the maximum allowable raceway fill for three or more conductors is:

Accepted Answer

40%

Answer

25%

Answer

31%

Answer

53%

Question 3

The NEC requires that an equipment grounding conductor be identified by:

Accepted Answer

Green insulation, green with yellow stripe, or bare conductor

Answer

White or gray insulation only

Answer

Orange insulation to distinguish it from ungrounded conductors

Answer

Any color except white, gray, or green

Question 4

According to NEC 210.8(A), GFCI protection is required for all 125-volt, 15- and 20-ampere receptacles that serve countertop surfaces in a dwelling unit:

Accepted Answer

Kitchen

Answer

Living room

Answer

Bedroom

Answer

Dining room

Question 5

Per NEC 230.70(A)(1), the service disconnecting means for a one-family dwelling must be installed:

Accepted Answer

At a readily accessible location either outside or inside the structure nearest the point of service entrance

Answer

Inside the dwelling in a dedicated electrical room

Answer

At any location convenient to the homeowner

Answer

At least 5 feet from any water source inside the home

Question 6

Under NEC 240.4(D), the maximum overcurrent protection permitted for 12 AWG copper conductors is:

Accepted Answer

20 amperes

Answer

15 amperes

Answer

25 amperes

Answer

30 amperes