Journeyman Electrician's GFCI and AFCI Protection Flashcards
7 cards from real Journeyman Electrician’s Exam practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Journeyman Electrician's GFCI and AFCI Protection flashcards as text
Per NEC 210.8(A)(2), which condition provides an exception to GFCI protection for receptacles in attached dwelling unit garages?
Answer: Receptacles that are not readily accessible and supply only a single dedicated appliance
NEC 210.8(A)(2) Exception allows receptacles not readily accessible and supplying a single dedicated appliance (such as a permanently installed freezer) to omit GFCI protection.
A combination-type AFCI breaker differs from a branch/feeder AFCI in that it provides protection against which arcing types?
Answer: Both series and parallel arcing faults
Combination-type AFCIs detect both series arcing (reduced current in series with load) and parallel arcing (across conductors) to provide comprehensive arc fault protection.
GFCI protection for receptacles in commercial (other than dwelling) occupancies is required in which locations per NEC 210.8(B)?
Answer: Bathrooms, rooftops, kitchens within 6 feet of a sink, and outdoor locations
NEC 210.8(B) requires GFCI protection in commercial bathrooms, rooftop locations, kitchens within 6 feet of a sink, outdoor areas, and other listed wet or hazardous locations.
What is the function of the RESET button on a GFCI receptacle?
Answer: It restores power to the outlet after the device has tripped
The RESET button on a GFCI receptacle restores power after the device has tripped due to a detected ground fault or after intentional testing with the TEST button.
Per the 2020 NEC 210.12(A), AFCI protection in dwelling units must cover branch circuit outlets in which locations?
Answer: All 120-volt, 15 and 20-ampere branch circuit outlets throughout the entire dwelling unit
The 2020 NEC 210.12(A) expanded AFCI requirements to all 120-volt, single-phase, 15 and 20-ampere branch circuits supplying outlets or devices throughout the entire dwelling unit.
GFCI protection is required for receptacles installed within how many feet of the inside walls of a permanently installed swimming pool at a dwelling unit?
Answer: 20 feet
NEC 680.22(A)(5) requires GFCI protection for all 125-volt receptacles located within 20 feet of the inside walls of a permanently installed swimming pool.
When an AFCI circuit breaker trips due to an arcing fault, how is this typically distinguished from a thermal-magnetic overload or short circuit trip?
Answer: Most AFCI breakers have a separate indicator light or distinct button position indicating an arc fault trip
Most AFCI circuit breakers include a separate trip indicator — typically a light or distinct reset button position — to communicate that the trip was caused by an arc fault rather than an overload.