Low Voltage Practice Test 2 (1)

Low Voltage Practice Test x x x


2 x


1. ClassStudy2 and
online at3 https://quizlet.com/_ei9hbl
x circuit conductors shall be installed in rigid metal conduit
xx x x xx x x x x x x x x




a. in hoistways
x


b. in enclosures
x


c. under carpets x


d. in one and two family dwellings: a. in hoistways
x x x x x x x x




Article 725.136(H)
x


2. Conductors for 24V lighting systems that are extended through a wall are
x x x x x x x x x x x


supplied by
x x




a. Class 1 power sources
x x x


b. Class 2 power sources
x x x


c. Class 3 power sources
x x x


d. PLTC power sources: b. Class 2 power sources
x x x x x x x




Article 411.5(A)(2)
x


3. Network-powered broadband communications cables and Class 1 cables x x x x x x x


are
x




a. Permitted in the same cable tray x x x x x


b. Permitted in the same cable tray with a permanent barrier
x x x x x x x x x


c. Not permitted in the same cable tray
x x x x x x


d. band c: d. band c x x x x




Article 830.133(A)(1)(E)
x


4. Optical fiber cables shall be permitted to be installed in the following
x x x x x x x x x x x


raceways
x




a. Any raceway recognized in Ch 3
x x x x x


b. Communications raceways x


c. Innerducts for optical fiber cables x x x x


d. all of these: d. all of these
x x x x x x




Article 770.110 (A), (1), (2) and (3)
x x x x x x


5. Uninterruptible power supplies in information technology rooms shall have x x x x x x x x




a. an approved means of disconnecting the output circuits
x x x x x x x


b. an approved means of disconnecting the supply power
x x x x x x x


1x/x12

, Low Voltage Practice Test x x x


2 x


c. an approved
Study online at means
x of disconnecting the battery from its load
https://quizlet.com/_ei9hbl x x xx x x x x x x x


d. all of these: d. all of these
x x x x x x




Article 645.10 and Article 645.11
x x x x


6. All conductors of Class 1 remote-control circuits for safety-control equip-
x x x x x x x x x


ment be installed in rigid metal conduit
x x x x x x x




a. where the circuit is installed in proximity to electric power and light circuits
x x x x x x x x x x x x


b. where damage to the circuit would cause a hazard
x x x x x x x x


c. where the circuit exceeds 600V x x x x


d. where the circuit is installed in a concealed space: b. where damage to the
x x x x x x x x x x x x x


circuit would cause a hazard
x x x x x




Article 725.31(B) x


7. The accessible portion of abandoned fire alarm cable shall be removed
x x x x x x x x x x




a. true
b. true if it is concealed x x x x


c. false
d. false if it is not tagged for future use: a. true
x x x x x x x x x x




Article 760.25 x


8. Audio systems near swimming pools x x x x




a. shall use class 1 wiring methodsx x x x x


b. shall be isolated x x


c. shall not be placed closer than 5 ft
x x x x x x x


d. shall not be permitted: c. shall not be placed closer than 5 ft
x x x x x x x x x x x x




Article 640.10(A) x


9. Indoor antenna and lead-in conductors for television receiving equipment
x x x x x x x x


shall be separated from electric power, light and Class 1 circuit conductors by at
x x x x x x x x x x x x x x


least
x




a. 2 in x


b. 12 in x


c. 18 in x


d. 6 ft: a. 2 in
x x x x




2x/x12