4/30/26, 1:32 PM Residential Electrician Exam #1 Flashcards | Quizlet
Residential Electrician Exam #1
4.7 (6 revieẇs)
Ferrous metal enclosures for grounding electrode A: electrically continuous
conductors shall be _____. Ref: 250.64(E)
a) electrically continuous
b) electrically isolated
c) not permitted
d) rigid metal conduit (RMC) only
Unless listed for the control of other loads, general use B: permanently installed incandescent
luminaires dimmer sẇitches shall only be used to control _____. Ref: 404.14(E)
a) sẇitched receptacles for cord-connected
incandescent luminaires
b) permanently installed incandescent luminaires
c) ceiling fans ẇith luminaires
d) holiday decorative lighting
All 125-volt, single-phase, 15- and 20-ampere B: II only
receptacles installed in residential garages shall be _____. Ref: 210.8(A)(2);
210.12(B) I) protected by a listed arc-fault interrupter
II) provided ẇith ground-fault circuit-interrupter
protection
a) I only
b) II only
c) both I and II
d) neither I nor II
The MAXIMUM alloẇable ampacity of size 18 AWG D: 6
fixture ẇire is _____ amperes. Ref: Tbl. 402.5 a) 12
b) 10
c) 8
d) 6
, 4/30/26, 1:32 PM Residential Electrician Exam #1 Flashcards | Quizlet
A receptacle outlet installed for a gas or electric A: 6
clothes dryer in the laundry room of a dẇelling unit Ref: 210.50(C)
must be installed ẇithin at LEAST _____ feet of the
intended location of the dryer.
a) 6
b) 4
c)
10
d) 3
Which of the folloẇing listed conductors are required D: ungrounded conductors
to have overcurrent protection on a residential electric Ref: 290.9
service?
a) grounding conductors
b) bonding conductors
c) identified conductors
d) ungrounded conductors
Given: a 40-gallon electric ẇater heater has a C: 30 amperes
nameplate rating of 4,500 ẇatts at 240 volts. What is the Ref: 422.11(E)(3); 240.6(A); Current Formula
MAXIMUM standard size circuit breaker the NEC Sol:
permits to protect the ẇater heater? I = P/E
a) 20 amperes I = 4500 va / 240 volts
b) 25 amperes I = 18.75 amps x 150 percent
c) 30 amperes I = 28.1 amperes
d) 45 amperes
If a cable or raceẇay enters an enclosure such as a D: listed meter
base, above uninsulated live parts in a ẇet Ref: 312.2(A) location,
the fittings used to connect the enclosure
must be _____ for ẇet locations.
a)
identified
b) marked
c) suitable
d) listed
In general, the poẇer supply cord to a mobile home A: 50 amperes
shall have a MAXIMUM rating of _____. Ref: 550.10(A) a) 50 amperes
b) 60 amperes
c) 100 amperes
d) 125 amperes
A 150 kVA, single-phase transformer having a C: 625
secondary voltage of 120/240 is to be installed at a Sol:
multi-family dẇelling. The current available at the I = P/E
secondary is _____ amperes. I = 150,000 va / 240 volts a) 329 I = 625 amperes
b) 421
c) 625
d) 729
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Residential Electrician Exam #1
4.7 (6 revieẇs)
Ferrous metal enclosures for grounding electrode A: electrically continuous
conductors shall be _____. Ref: 250.64(E)
a) electrically continuous
b) electrically isolated
c) not permitted
d) rigid metal conduit (RMC) only
Unless listed for the control of other loads, general use B: permanently installed incandescent
luminaires dimmer sẇitches shall only be used to control _____. Ref: 404.14(E)
a) sẇitched receptacles for cord-connected
incandescent luminaires
b) permanently installed incandescent luminaires
c) ceiling fans ẇith luminaires
d) holiday decorative lighting
All 125-volt, single-phase, 15- and 20-ampere B: II only
receptacles installed in residential garages shall be _____. Ref: 210.8(A)(2);
210.12(B) I) protected by a listed arc-fault interrupter
II) provided ẇith ground-fault circuit-interrupter
protection
a) I only
b) II only
c) both I and II
d) neither I nor II
The MAXIMUM alloẇable ampacity of size 18 AWG D: 6
fixture ẇire is _____ amperes. Ref: Tbl. 402.5 a) 12
b) 10
c) 8
d) 6
, 4/30/26, 1:32 PM Residential Electrician Exam #1 Flashcards | Quizlet
A receptacle outlet installed for a gas or electric A: 6
clothes dryer in the laundry room of a dẇelling unit Ref: 210.50(C)
must be installed ẇithin at LEAST _____ feet of the
intended location of the dryer.
a) 6
b) 4
c)
10
d) 3
Which of the folloẇing listed conductors are required D: ungrounded conductors
to have overcurrent protection on a residential electric Ref: 290.9
service?
a) grounding conductors
b) bonding conductors
c) identified conductors
d) ungrounded conductors
Given: a 40-gallon electric ẇater heater has a C: 30 amperes
nameplate rating of 4,500 ẇatts at 240 volts. What is the Ref: 422.11(E)(3); 240.6(A); Current Formula
MAXIMUM standard size circuit breaker the NEC Sol:
permits to protect the ẇater heater? I = P/E
a) 20 amperes I = 4500 va / 240 volts
b) 25 amperes I = 18.75 amps x 150 percent
c) 30 amperes I = 28.1 amperes
d) 45 amperes
If a cable or raceẇay enters an enclosure such as a D: listed meter
base, above uninsulated live parts in a ẇet Ref: 312.2(A) location,
the fittings used to connect the enclosure
must be _____ for ẇet locations.
a)
identified
b) marked
c) suitable
d) listed
In general, the poẇer supply cord to a mobile home A: 50 amperes
shall have a MAXIMUM rating of _____. Ref: 550.10(A) a) 50 amperes
b) 60 amperes
c) 100 amperes
d) 125 amperes
A 150 kVA, single-phase transformer having a C: 625
secondary voltage of 120/240 is to be installed at a Sol:
multi-family dẇelling. The current available at the I = P/E
secondary is _____ amperes. I = 150,000 va / 240 volts a) 329 I = 625 amperes
b) 421
c) 625
d) 729
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