E2 NEC Compliance 2

Question 1

Under NEC Article 230, what is the maximum number of service disconnects permitted for a single commercial occupancy?

Accepted Answer

6

Answer

2

Answer

4

Answer

8

Question 2

NEC 210.19(A) requires that branch circuit conductors have an ampacity of at least what percentage of the continuous load they serve?

Accepted Answer

125%

Answer

100%

Answer

115%

Answer

150%

Question 3

According to NEC 450.13, a dry-type transformer rated 112.5 kVA or less must have a minimum clearance of how many inches from combustible material?

Accepted Answer

12 inches

Answer

6 inches

Answer

18 inches

Answer

24 inches

Question 4

NEC 700.12 requires emergency system sources to supply full load within how many seconds of normal power failure?

Accepted Answer

10 seconds

Answer

5 seconds

Answer

15 seconds

Answer

30 seconds

Question 5

Under NEC 404.2(C), a switch controlling a lighting outlet in a bathroom of a commercial occupancy must be located where?

Accepted Answer

Inside the bathroom, away from the tub or shower

Answer

Outside the bathroom

Answer

Adjacent to the panel

Answer

At the entrance to the building

Question 6

NEC 517.13 requires that patient care areas in healthcare facilities have what special grounding provision for receptacles and fixed equipment?

Accepted Answer

An insulated equipment grounding conductor in addition to the metallic raceway path

Answer

Double-pole GFCI protection

Answer

Isolated ground receptacles throughout

Answer

AFCI protection on all circuits

Question 7

According to NEC 225.30, a commercial building may have a maximum of how many feeder or branch circuit supplies from outside the building?

Accepted Answer

One

Answer

Two

Answer

Four

Answer

Six