CCI Electrical Systems Inspection Flashcards
6 cards from real CCI practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 CCI Electrical Systems Inspection flashcards as text
What is the minimum clearance required between electrical panels and combustible materials per the NEC?
Answer: 3 feet
The NEC requires a minimum 3-foot working clearance in front of electrical panels to allow safe access and operation.
During a rough-in inspection, what must a construction inspector verify about electrical conduit bends?
Answer: No more than 360 degrees total bends between pull points
The NEC limits total conduit bends between pull points or boxes to 360 degrees to ensure wire can be pulled through without damage.
Which wire gauge is the minimum required for a standard 20-amp branch circuit in residential construction per NEC?
Answer: 12 AWG
A 20-amp circuit requires a minimum of 12 AWG copper wire to safely carry the rated current without overheating.
What does a CCI inspector look for when verifying GFCI protection in a bathroom?
Answer: All receptacles within 6 feet of a water source must be GFCI protected
NEC requires GFCI protection for all bathroom receptacles regardless of distance from water sources, with the 6-foot rule applying to kitchen countertop receptacles.
When inspecting electrical grounding, which conductor color is designated for the equipment grounding conductor in US wiring?
Answer: Green or bare copper
The NEC designates green insulation or bare copper as the equipment grounding conductor, which must not be used for any other purpose.
What is the maximum allowable voltage drop on a branch circuit per NEC recommended practice?
Answer: 3%
The NEC recommends a maximum 3% voltage drop on branch circuits to maintain adequate voltage for connected equipment.