Low Voltage Practice Test 1
Outdoor antennas and lead-in conductors from an d. any of the these
antenna to a building shall
810.13
a. not cross over open conductors of electric light or
power circuits
b. be such as to provide a clearance of at least 600 mm
(2 ft)
c. be kept well away from all such circuits so as to avoid
the possibility of accidental contact
d. any of the these
NPLFA circuit overcurrent protection d. a and b
a. shall not exceed 7 amperes for 18 AWG conductors 760.43
b. shall not exceed 10 amperes for 16 AWG conductors
c. shall not exceed 15 amperes for 14 AWG conductor
d. a and b
Different intrinsically safe circuit conductors shall be a. with insulation that is 0.01 in.
separated from each other by one of the following
means: 504.30(B)(2)
a. with insulation that is 0.01 in.
b. a minimum of .25mm
c. with a metal partition of .0359in thick
d. in ducts separated by at least 4 in
Abandoned Supply Circuits and Interconnecting c. accessible cables shall be removed unless contained in a raceway
Cables
645.5(G)
a. left for IT techs
b. must be marked for future use
c. accessible cables shall be removed unless contained
in a raceway
d. all of the these
Branch circuits for lighting systems in Article 311 shall be a. 20-ampere branch circuit
supplied from a maximum
411.8
a. 20-ampere branch circuit
b. 10-ampere branch circuit
c. 25-ampere branch circuit
d. 15-ampere branch circuit
Page 1
, Low Voltage Practice Test 1
Class 1 circuits shall be identified at terminal and d. both a and b
junction locations
724.24, 724.30
a. in a manner that prevents unintentional interference
with other circuits during testing and servicing
b. shall be installed in a neat and workmanlike manner
c. in a manner that's accessible to the public for
transparency
d. both a and b
Class 2 and Class 3 Power-Limited Circuits are in what d. 725
article of the 2023 NEC?
725
a. 720
b. 727
c. 724
d. 725
Class 1 Power-Limited Circuits and Class 1 Power- c. 724
Limited Remote-Control and Signaling Circuits are in
what article of the 2023 NEC? 724
a. 720
b. 727
c. 724
d. 725
As appropriate for the services provided, the output d. All the above
circuits derived from a network-powered broadband
communications system's network interface unit (NIU) 800.3(A)
or from a premises-powered broadband
communications system's network terminal shall comply
with the requirements of the following:
a. Installations of Class 2 and Class 3 circuits — Part II of
Article 725 and Parts I and II of Article 722
b. Installations of power-limited fire alarm circuits —
Part III of Article 760
c. Installations of optical fiber cables — Part V of Article
770
d. All the above
Unlisted nonconductive optical fibers can enter a d. a and b
building
770.48(A) and (B)
a. if the cables are run in conduit
b. if the length of the cables are less than 50 ft from the
point of entrance
c. nonconductive fiber optic cable is not permitted
d. a and b
Page 2
Outdoor antennas and lead-in conductors from an d. any of the these
antenna to a building shall
810.13
a. not cross over open conductors of electric light or
power circuits
b. be such as to provide a clearance of at least 600 mm
(2 ft)
c. be kept well away from all such circuits so as to avoid
the possibility of accidental contact
d. any of the these
NPLFA circuit overcurrent protection d. a and b
a. shall not exceed 7 amperes for 18 AWG conductors 760.43
b. shall not exceed 10 amperes for 16 AWG conductors
c. shall not exceed 15 amperes for 14 AWG conductor
d. a and b
Different intrinsically safe circuit conductors shall be a. with insulation that is 0.01 in.
separated from each other by one of the following
means: 504.30(B)(2)
a. with insulation that is 0.01 in.
b. a minimum of .25mm
c. with a metal partition of .0359in thick
d. in ducts separated by at least 4 in
Abandoned Supply Circuits and Interconnecting c. accessible cables shall be removed unless contained in a raceway
Cables
645.5(G)
a. left for IT techs
b. must be marked for future use
c. accessible cables shall be removed unless contained
in a raceway
d. all of the these
Branch circuits for lighting systems in Article 311 shall be a. 20-ampere branch circuit
supplied from a maximum
411.8
a. 20-ampere branch circuit
b. 10-ampere branch circuit
c. 25-ampere branch circuit
d. 15-ampere branch circuit
Page 1
, Low Voltage Practice Test 1
Class 1 circuits shall be identified at terminal and d. both a and b
junction locations
724.24, 724.30
a. in a manner that prevents unintentional interference
with other circuits during testing and servicing
b. shall be installed in a neat and workmanlike manner
c. in a manner that's accessible to the public for
transparency
d. both a and b
Class 2 and Class 3 Power-Limited Circuits are in what d. 725
article of the 2023 NEC?
725
a. 720
b. 727
c. 724
d. 725
Class 1 Power-Limited Circuits and Class 1 Power- c. 724
Limited Remote-Control and Signaling Circuits are in
what article of the 2023 NEC? 724
a. 720
b. 727
c. 724
d. 725
As appropriate for the services provided, the output d. All the above
circuits derived from a network-powered broadband
communications system's network interface unit (NIU) 800.3(A)
or from a premises-powered broadband
communications system's network terminal shall comply
with the requirements of the following:
a. Installations of Class 2 and Class 3 circuits — Part II of
Article 725 and Parts I and II of Article 722
b. Installations of power-limited fire alarm circuits —
Part III of Article 760
c. Installations of optical fiber cables — Part V of Article
770
d. All the above
Unlisted nonconductive optical fibers can enter a d. a and b
building
770.48(A) and (B)
a. if the cables are run in conduit
b. if the length of the cables are less than 50 ft from the
point of entrance
c. nonconductive fiber optic cable is not permitted
d. a and b
Page 2
