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 _____. Ref: 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 Ref: 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-a4d6-46e7-8959-9831fffe0𝑏70 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 _____. Ref: 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 Ref: 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-a4d6-46e7-8959-9831fffe0𝑏70 2/5
