4/30/26, 1:32 PM Residential Electrician Exam #1 Flashcards | Quizlet
Residential Electrician Exam #1
4.7 (6 reviews)
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 switches shall only be used to control _____. Re 𝑓: 404.14(E)
a) switched receptacles 𝑓or cord-connected
incandescent luminaires
b) permanently installed incandescent luminaires
c) ceiling 𝑓ans with 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 with ground-𝑓ault circuit-interrupter
protection
a) I only
b) II only
c) both I and II
d) neither I nor II
The MAXIMUM allowable ampacity o𝑓 size 18 AWG D: 6
𝑓ixture wire 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 dwelling unit Re𝑓: 210.50(C)
must be installed within at LEAST _____ 𝑓eet o𝑓 the
intended location o𝑓 the dryer.
a) 6
b) 4
c)
10
d) 3
Which o𝑓 the 𝑓ollowing listed conductors are required D: ungrounded
conductors to have overcurrent protection on a residential electric Re 𝑓: 290.9
service?
a) grounding conductors
b) bonding conductors
c) identi𝑓ied conductors
d) ungrounded
conductors
Given: a 40-gallon electric water heater has a C: 30 amperes
nameplate rating o𝑓 4,500 watts 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 water 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 raceway enters an enclosure such as a D: listed meter
base, above uninsulated live parts in a wet Re𝑓: 312.2(A) location,
the 𝑓ittings used to connect the enclosure
must be _____ 𝑓or wet locations.
a)
identi𝑓ied
b) marked
c) suitable
d) listed
In general, the power 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 dwelling. 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
https://quizlet.com/2527049/residential-electrician-exam-1-𝑓lash-cards/?𝑓unnelUUID=a4e3c8c7-a4d6-46e7-8959-9831 𝑓𝑓𝑓e0b70 2/5
Residential Electrician Exam #1
4.7 (6 reviews)
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 switches shall only be used to control _____. Re 𝑓: 404.14(E)
a) switched receptacles 𝑓or cord-connected
incandescent luminaires
b) permanently installed incandescent luminaires
c) ceiling 𝑓ans with 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 with ground-𝑓ault circuit-interrupter
protection
a) I only
b) II only
c) both I and II
d) neither I nor II
The MAXIMUM allowable ampacity o𝑓 size 18 AWG D: 6
𝑓ixture wire 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 dwelling unit Re𝑓: 210.50(C)
must be installed within at LEAST _____ 𝑓eet o𝑓 the
intended location o𝑓 the dryer.
a) 6
b) 4
c)
10
d) 3
Which o𝑓 the 𝑓ollowing listed conductors are required D: ungrounded
conductors to have overcurrent protection on a residential electric Re 𝑓: 290.9
service?
a) grounding conductors
b) bonding conductors
c) identi𝑓ied conductors
d) ungrounded
conductors
Given: a 40-gallon electric water heater has a C: 30 amperes
nameplate rating o𝑓 4,500 watts 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 water 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 raceway enters an enclosure such as a D: listed meter
base, above uninsulated live parts in a wet Re𝑓: 312.2(A) location,
the 𝑓ittings used to connect the enclosure
must be _____ 𝑓or wet locations.
a)
identi𝑓ied
b) marked
c) suitable
d) listed
In general, the power 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 dwelling. 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
https://quizlet.com/2527049/residential-electrician-exam-1-𝑓lash-cards/?𝑓unnelUUID=a4e3c8c7-a4d6-46e7-8959-9831 𝑓𝑓𝑓e0b70 2/5
