Electrical Bonding & GFCI Requirements Flashcards
7 cards from real CPI practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Electrical Bonding & GFCI Requirements flashcards as text
Electric Shock Drowning (ESD) in pools is most commonly caused by:
Answer: AC voltage leaking into pool water creating a gradient that paralyzes swimmers
ESD occurs when AC current leaks into water, creating voltage gradients that cause muscle paralysis, preventing swimmers from staying afloat.
A CPI inspector finds a GFCI outlet installed near a pool has been replaced with a standard duplex outlet by the homeowner. This is:
Answer: A safety deficiency that must be noted and reported
Replacing a required GFCI outlet with a standard outlet removes mandatory shock protection and is a code violation that must be reported.
What is the required clearance between overhead electrical conductors and the edge of a swimming pool per NEC 680.8?
Answer: 22.5 feet horizontally from the pool edge
NEC 680.8 requires overhead conductor clearances of 22.5 feet measured horizontally from the pool edge for service conductors.
When is a GFCI-protected lighting outlet permitted within 5 feet of a pool's inside wall?
Answer: When it is a GFCI-protected receptacle at least 6 feet above the pool deck surface
Receptacles may be installed within 5–10 feet of a pool only if they are GFCI-protected and mounted at least 6 feet above the finished grade or deck.
A pool inspector discovers the bonding wire is connected only to the pool pump but not to the pool shell reinforcing steel. This represents:
Answer: An incomplete bonding system that does not satisfy NEC 680.26
NEC 680.26 requires an interconnected bonding grid connecting all specified metal components including the pool structure, equipment, and metal fittings.
Which of the following best describes the difference between bonding and grounding in pool electrical systems?
Answer: Bonding connects metal parts to each other; grounding connects the system to earth
Bonding equalizes potential between conductive parts while grounding provides a path to earth for fault current to operate overcurrent protection.
A CPI inspector tests a GFCI breaker serving pool equipment and it trips correctly. However, the inspector notes the breaker is a standard GFCI without a 'self-test' feature. The inspector should:
Answer: Note that the GFCI is functional but recommend periodic manual testing per manufacturer instructions
A properly functioning GFCI passes inspection; recommending regular manual testing is appropriate since self-test features are beneficial but not universally required.