CCI CCI Electrical Systems Inspection

Question 1

What is the minimum clearance required between electrical panels and combustible materials per the NEC?

Accepted Answer

3 feet

Answer

2 feet

Answer

18 inches

Answer

4 feet

Question 2

During a rough-in inspection, what must a construction inspector verify about electrical conduit bends?

Accepted Answer

No more than 360 degrees total bends between pull points

Answer

No more than 270 degrees total bends between pull points

Answer

No more than 180 degrees total bends between pull points

Answer

No more than 90 degrees total bends between pull points

Question 3

Which wire gauge is the minimum required for a standard 20-amp branch circuit in residential construction per NEC?

Accepted Answer

12 AWG

Answer

14 AWG

Answer

10 AWG

Answer

8 AWG

Question 4

What does a CCI inspector look for when verifying GFCI protection in a bathroom?

Accepted Answer

All receptacles within 6 feet of a water source must be GFCI protected

Answer

Only receptacles directly above sinks require GFCI protection

Answer

GFCI is only required in bathrooms with two or more sinks

Answer

GFCI protection is optional if a GFCI breaker is used

Question 5

When inspecting electrical grounding, which conductor color is designated for the equipment grounding conductor in US wiring?

Accepted Answer

Green or bare copper

Answer

White or gray

Answer

Black

Answer

Red

Question 6

What is the maximum allowable voltage drop on a branch circuit per NEC recommended practice?

Accepted Answer

3%

Answer

5%

Answer

10%

Answer

2%