Exam (elaborations)
Residential Wireman Electrical Exam
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Residential Wireman Electrical Exam
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Residential Wireman Electrical Exam 2024/2025__ inch trade size conduit has a metric designator of 21.
General requirements for wiring methods, Raceways and fttings, metric designator and
trade size 300.1(c) Table 300.1(C) - ANS-3/4
A 125 volt general purpose receptacle for a residential outdoor swimming pool must be
located not less than __ Feet from the inside wall of the pool.
Receptacles, Swimming pools
680.22 - ANS-6
A 30 ampere residential branch circuit may supply single cord and plug connected
equipment rated at amperes or less
Branch circuits, Appliances
210.23(B) - ANS-24
A branch circuit suppling a fixed storage-type water heater that has a capacity of 120
gallons or less shall have a rating of NOT less than __ percent of the nameplate rating.
Water heaters
422.13, 422.10(A) - ANS-125
A detached garage fed from a dwelling with a 3 wire feeder of 250 kcmil aluminum USE
and a 200 ampere breaker requires a minimum size copper grounding electrode
conductor to a concrete electrode of __ AWG.
Grounding electrode conductor, sizing 250.32(a)(E), Table 250.66, 250.66(B) - ANS-4
A ground ring encircling the building or structure, in direct contact with the earth, shall
consist of at least 20 feet of bare copper conductor NOT smaller than __ AWG.
Ground ring
250.52(A)(4) - ANS-2
A listed instantaneous water heater shall be permitted to be subdivided into circuits
protected at not more than __ amperes.
Overcurrent protection, appliances
422.11(F)(3) - ANS-150
A park trailer is a unit that is built on a single chassis mounted on wheels and has a
gross trailer area, in the set up mode, of NOT more than __ feet.
, Park Trailers, 552.43
552.2 definition - ANS-400
A plate-type grounding electrode shall be installed below the surface of the earth not
less than __ inches.
Plate electrodes
250.53 - ANS-30
A rod or pipe electrode shall be permitted to be installed Horizontally buried in a trench
that is at least __ inches deep, only where rock bottom is encountered
Electrodes, grounding, System installation,
250.53(G) - ANS-30
A transient voltage surge surpressor (TVSS), if installed in a metal enclosure, shall be
bonded to ___ of the enclosure?
Grounding, Surge protective devices
285.28, 250.64(E) - ANS-both ends
An enclosure subjected to prolonged submersion requires an enclosure of what type?
Enclosures, Outdoor use, for
110.28, Table 110.28 - ANS-6P
Any wiring behind heating panels or heating panel sets located in interior walls shall be
considered as an operating at an ambient temperature of __ degrees C
Fixed electric space-heating equipment,
424.95(B) - ANS-40
Balconies, decks, and porches that are accessible from the inside of the dwelling unit
shall have at least one receptacle not more than __ ft. above the balcony, deck, or
porch surface.
Balconies, outdoor, receptacles for,
210.52(E)(3) - ANS-6 1/2
Branch circuit conductors that supply a single motor used in a continous duty
applications shall have an ampacity of NOT less than ___ percent of the motors full load
current rating.
Motors, Continuous duty,
430.22 - ANS-125
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