Low Voltage Final EXAM QUESTIONS AND
ANSWERS 100% SOLVED (Newest 2025)
The NEC permits over current protection devices to be
located in bathrooms. - Correct Answers ✅False
In residential wiring all 120 volt, 15 and 20 amp branch
circuits supplying outlets in family rooms, dining rooms, living
rooms, parlors, libraries, dens, bedrooms, sunrooms,
recreation rooms, closets, hallways or similar rooms must be
protected by a combination type AFCI. - Correct Answers
✅True
A 12 AWG branch circuit can be protected by a 15-ampere
fuse or circuit breaker. - Correct Answers ✅True
A single pole circuit breaker has one stab contact and a two-
pole circuit breaker has two stab contacts. - Correct
Answers ✅True
A fuse type that uses the same standard screw base as an
ordinary light bulb and where the different fuse sizes are
interchangeable with each other is called a(n) ____________
fuse. - Correct Answers ✅Edison base
A(n) _________ fuse uses different fuse bases for each size
fuse and an adapter that matches each fuse size is required. -
Correct Answers ✅Type S
, Low Voltage Final EXAM QUESTIONS AND
ANSWERS 100% SOLVED (Newest 2025)
A(n) __________ fuse is enclosed in an insulating tube that
confines the arc when the fuse blows and is available in
either a ferrule or blade style. - Correct Answers
✅Cartridge
NEC Article _______________ provides many installation
requirements for over current protection devices. - Correct
Answers ✅None of the above
NEC Table _________ lists the ampacity of conductors used in
residential wiring. - Correct Answers ✅310.15(B)(16)
In residential wiring, a 12 AWG copper conductor is protected
by a ____________-ampere or lower OCPD. - Correct Answers
✅20
Which of the following will not cause an over current
condition? - Correct Answers ✅Open circuit
The interrupting rating of the fuses can be as high as
_________ amperes. - Correct Answers ✅300,000
All plug fuses are limited to circuits where the voltage
between conductors does not exceed ___________ volts.
(General Rule) - Correct Answers ✅125
ANSWERS 100% SOLVED (Newest 2025)
The NEC permits over current protection devices to be
located in bathrooms. - Correct Answers ✅False
In residential wiring all 120 volt, 15 and 20 amp branch
circuits supplying outlets in family rooms, dining rooms, living
rooms, parlors, libraries, dens, bedrooms, sunrooms,
recreation rooms, closets, hallways or similar rooms must be
protected by a combination type AFCI. - Correct Answers
✅True
A 12 AWG branch circuit can be protected by a 15-ampere
fuse or circuit breaker. - Correct Answers ✅True
A single pole circuit breaker has one stab contact and a two-
pole circuit breaker has two stab contacts. - Correct
Answers ✅True
A fuse type that uses the same standard screw base as an
ordinary light bulb and where the different fuse sizes are
interchangeable with each other is called a(n) ____________
fuse. - Correct Answers ✅Edison base
A(n) _________ fuse uses different fuse bases for each size
fuse and an adapter that matches each fuse size is required. -
Correct Answers ✅Type S
, Low Voltage Final EXAM QUESTIONS AND
ANSWERS 100% SOLVED (Newest 2025)
A(n) __________ fuse is enclosed in an insulating tube that
confines the arc when the fuse blows and is available in
either a ferrule or blade style. - Correct Answers
✅Cartridge
NEC Article _______________ provides many installation
requirements for over current protection devices. - Correct
Answers ✅None of the above
NEC Table _________ lists the ampacity of conductors used in
residential wiring. - Correct Answers ✅310.15(B)(16)
In residential wiring, a 12 AWG copper conductor is protected
by a ____________-ampere or lower OCPD. - Correct Answers
✅20
Which of the following will not cause an over current
condition? - Correct Answers ✅Open circuit
The interrupting rating of the fuses can be as high as
_________ amperes. - Correct Answers ✅300,000
All plug fuses are limited to circuits where the voltage
between conductors does not exceed ___________ volts.
(General Rule) - Correct Answers ✅125
