Low Voltage Practice Test 2
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1. Class 2 and 3 circuit conductors shall be installed in a. in hoistways
rigid metal conduit
Article 725.136(H)
a. in hoistways
b. in enclosures
c. under carpets
d. in one and two family dwellings
2. Conductors for 24V lighting systems that are extended b. Class 2 power sources
through a wall are supplied by
Article 411.5(A)(2)
a. Class 1 power sources
b. Class 2 power sources
c. Class 3 power sources
d. PLTC power sources
3. Network-powered broadband communications cables d. band c
and Class 1 cables are
Article 830.133(A)(1)(E)
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
4. Optical fiber cables shall be permitted to be installed d. all of these
in the following raceways
Article 770.110 (A), (1), (2)
a. Any raceway recognized in Ch 3 and (3)
b. Communications raceways
c. Innerducts for optical fiber cables
d. all of these
, Low Voltage Practice Test 2
Study online at https://quizlet.com/_ei9hbl
5. Uninterruptible power supplies in information tech- d. all of these
nology rooms shall have
Article 645.10 and Article
a. an approved means of disconnecting the output 645.11
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
6. All conductors of Class 1 remote-control circuits for b. where damage to the
safety-control equipment be installed in rigid metal circuit would cause a haz-
conduit ard
a. where the circuit is installed in proximity to electric Article 725.31(B)
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
7. The accessible portion of abandoned fire alarm cable a. true
shall be removed
Article 760.25
a. true
b. true if it is concealed
c. false
d. false if it is not tagged for future use
8. Audio systems near swimming pools c. shall not be placed clos-
er than 5 ft
a. shall use class 1 wiring methods
b. shall be isolated Article 640.10(A)
Study online at https://quizlet.com/_ei9hbl
1. Class 2 and 3 circuit conductors shall be installed in a. in hoistways
rigid metal conduit
Article 725.136(H)
a. in hoistways
b. in enclosures
c. under carpets
d. in one and two family dwellings
2. Conductors for 24V lighting systems that are extended b. Class 2 power sources
through a wall are supplied by
Article 411.5(A)(2)
a. Class 1 power sources
b. Class 2 power sources
c. Class 3 power sources
d. PLTC power sources
3. Network-powered broadband communications cables d. band c
and Class 1 cables are
Article 830.133(A)(1)(E)
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
4. Optical fiber cables shall be permitted to be installed d. all of these
in the following raceways
Article 770.110 (A), (1), (2)
a. Any raceway recognized in Ch 3 and (3)
b. Communications raceways
c. Innerducts for optical fiber cables
d. all of these
, Low Voltage Practice Test 2
Study online at https://quizlet.com/_ei9hbl
5. Uninterruptible power supplies in information tech- d. all of these
nology rooms shall have
Article 645.10 and Article
a. an approved means of disconnecting the output 645.11
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
6. All conductors of Class 1 remote-control circuits for b. where damage to the
safety-control equipment be installed in rigid metal circuit would cause a haz-
conduit ard
a. where the circuit is installed in proximity to electric Article 725.31(B)
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
7. The accessible portion of abandoned fire alarm cable a. true
shall be removed
Article 760.25
a. true
b. true if it is concealed
c. false
d. false if it is not tagged for future use
8. Audio systems near swimming pools c. shall not be placed clos-
er than 5 ft
a. shall use class 1 wiring methods
b. shall be isolated Article 640.10(A)
