LOW VOLTAGE PRACTICE TEST 2 QUESTIONS WITH
DETAILED VERIFIED AND 100% ACCURATE ANSWERS
Class 2 and 3 circuit conductors shall be installed in rigid metal conduit
a. in hoistways
b. in enclosures
c. under carpets
d. in one and two family dwellings Correct Answers a. in hoistways
Article 725.136(H)
Conductors for 24V lighting systems that are extended through a wall
are supplied by
a. Class 1 power sources
b. Class 2 power sources
c. Class 3 power sources
d. PLTC power sources Correct Answers b. Class 2 power sources
Article 411.5(A)(2)
Network-powered broadband communications cables and Class 1 cables
are
,a. Permitted in the same cable tray
b. Permitted in the same cable tray with a permanent barrier
c. Not permitted in the same cable tray
d. band c Correct Answers d. band c
Article 830.133(A)(1)(E)
Optical fiber cables shall be permitted to be installed in the following
raceways
a. Any raceway recognized in Ch 3
b. Communications raceways
c. Innerducts for optical fiber cables
d. all of these Correct Answers d. all of these
Article 770.110 (A), (1), (2) and (3)
Uninterruptible power supplies in information technology rooms shall
have
a. an approved means of disconnecting the output circuits
b. an approved means of disconnecting the supply power
c. an approved means of disconnecting the battery from its load
d. all of these Correct Answers d. all of these
, Article 645.10 and Article 645.11
All conductors of Class 1 remote-control circuits for safety-control
equipment be installed in rigid metal conduit
a. where the circuit is installed in proximity to electric power and light
circuits
b. where damage to the circuit would cause a hazard
c. where the circuit exceeds 600V
d. where the circuit is installed in a concealed space Correct Answers b.
where damage to the circuit would cause a hazard
Article 725.31(B)
The accessible portion of abandoned fire alarm cable shall be removed
a. true
b. true if it is concealed
c. false
d. false if it is not tagged for future use Correct Answers a. true
Article 760.25
DETAILED VERIFIED AND 100% ACCURATE ANSWERS
Class 2 and 3 circuit conductors shall be installed in rigid metal conduit
a. in hoistways
b. in enclosures
c. under carpets
d. in one and two family dwellings Correct Answers a. in hoistways
Article 725.136(H)
Conductors for 24V lighting systems that are extended through a wall
are supplied by
a. Class 1 power sources
b. Class 2 power sources
c. Class 3 power sources
d. PLTC power sources Correct Answers b. Class 2 power sources
Article 411.5(A)(2)
Network-powered broadband communications cables and Class 1 cables
are
,a. Permitted in the same cable tray
b. Permitted in the same cable tray with a permanent barrier
c. Not permitted in the same cable tray
d. band c Correct Answers d. band c
Article 830.133(A)(1)(E)
Optical fiber cables shall be permitted to be installed in the following
raceways
a. Any raceway recognized in Ch 3
b. Communications raceways
c. Innerducts for optical fiber cables
d. all of these Correct Answers d. all of these
Article 770.110 (A), (1), (2) and (3)
Uninterruptible power supplies in information technology rooms shall
have
a. an approved means of disconnecting the output circuits
b. an approved means of disconnecting the supply power
c. an approved means of disconnecting the battery from its load
d. all of these Correct Answers d. all of these
, Article 645.10 and Article 645.11
All conductors of Class 1 remote-control circuits for safety-control
equipment be installed in rigid metal conduit
a. where the circuit is installed in proximity to electric power and light
circuits
b. where damage to the circuit would cause a hazard
c. where the circuit exceeds 600V
d. where the circuit is installed in a concealed space Correct Answers b.
where damage to the circuit would cause a hazard
Article 725.31(B)
The accessible portion of abandoned fire alarm cable shall be removed
a. true
b. true if it is concealed
c. false
d. false if it is not tagged for future use Correct Answers a. true
Article 760.25
