CEP National Electrical Code (NEC) & Code Compliance Flashcards
6 cards from real CEP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 CEP National Electrical Code (NEC) & Code Compliance flashcards as text
NEC 700.12 lists legally required standby and emergency system sources. Which source provides the fastest transfer time (under 10 seconds) as required for life-safety systems?
Answer: Uninterruptible power supply (UPS)
A UPS or battery system can supply power instantaneously with no transfer delay, satisfying the 10-second requirement for life-safety emergency systems.
Under NEC Article 680, a pool pump motor must be bonded to the pool structure. What is the minimum size copper bonding conductor required?
Answer: 8 AWG solid
NEC 680.26(C) requires a solid 8 AWG copper bonding conductor to connect metal parts of pool equipment to the equipotential bonding grid.
NEC 210.8(A) requires GFCI protection for 125V, 15A and 20A receptacles in which residential location?
Answer: Garages, crawl spaces, unfinished basements, kitchens, and bathrooms
NEC 210.8(A) mandates GFCI protection in garages, crawl spaces, unfinished basements, kitchens, bathrooms, and other listed wet or damp locations.
Per NEC 404.2(C), a grounded (neutral) conductor is required at switch locations to:
Answer: Provide a return path for electronic lighting controls that require a neutral
NEC 404.2(C) requires a neutral at switch boxes to power occupancy sensors, dimmers, and other electronics that need a neutral return path.
Which NEC article covers photovoltaic (solar) systems, including DC circuits from panels to inverters?
Answer: Article 690
NEC Article 690 specifically governs solar photovoltaic systems, including wiring methods, disconnects, and grounding requirements.
Under NEC 250.50, which of the following must be bonded together to form the grounding electrode system in a new residential installation?
Answer: All electrodes present including metal underground water pipe, ground ring, rod/pipe electrodes, and concrete-encased electrodes
NEC 250.50 requires that all grounding electrodes present at a structure be bonded together to form a single grounding electrode system.