Low Voltage Practice Test 1 (1)

Low Voltage Practice Test x x x


1 x


1. 1. AllStudy
x exposed non-current carrying metal parts of an information technolo-
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x x x x x x x x x x x x


gy system
x




a. shall be bonded to the equipment grounding conductor
x x x x x x x


b. shall be left alone for IT to fix it
x x x x x x x x


c. shall comply with article 250
x x x x


d. both a and c: d. both a and c
x x x x x x x x




645.15
2. Cables used to connect loudspeakers to each other or to an amplifier
x x x x x x x x x x x




a. shall comply with Article 440
x x x x


b. shall comply with Article 820x x x x


c. shall comply with Article 625
x x x x


d. shall comply with Article 722: d. shall comply with Article 722.
x x x x x x x x x x




640.21 (B) x


3. Outdoor antennas and lead-in conductors from an antenna to a building
x x x x x x x x x x


xshall

a. not cross over open conductors of electric light or power circuits
x x x x x x x x x x


b. be such as to provide a clearance of at least 600 mm (2 ft)
x x x x x x x x x x x x x


c. be kept well away from all such circuits so as to avoid the possibility of
x x x x x x x x x x x x x x


accidental contact
x x


d. any of the these: d. any of the these
x x x x x x x x




810.13
4. NPLFA circuit overcurrent protection x x x




a. shall not exceed 7 amperes for 18 AWG conductors
x x x x x x x x


b. shall not exceed 10 amperes for 16 AWG conductors
x x x x x x x x


c. shall not exceed 15 amperes for 14 AWG conductor
x x x x x x x x


d. a and b: d. a and b
x x x x x x




760.43
5. Different intrinsically safe circuit conductors shall be separated from each
x x x x x x x x x


xother by one of the following means:
x x x x x x




a. with insulation that is 0.01 in.
x x x x x


1 x/ x13

, Low Voltage Practice Test x x x


1 x


b. a minimum
Study online atof
x .25mm
https://quizlet.com/_f6rwvb x x x x x


c. with a metal partition of .0359in thick x x x x x x


d. in ducts separated by at least 4 in: a. with insulation that is 0.01 in.
x x x x x x x x x x x x x x




504.30(B)(2)
6. Abandoned Supply Circuits and Interconnecting Cables x x x x x




a. left for IT techs x x x


b. must be marked for future use x x x x x


c. accessible cables shall be removed unless contained in a raceway x x x x x x x x x


d. all of the these: c. accessible cables shall be removed unless contained in a
x x x x x x x x x x x x x


raceway
x




645.5(G)
7. Branch circuits for lighting systems in Article 311 shall be supplied from a
x x x x x x x x x x x x


maximum
x




a. 20-ampere branch circuit x x


b. 10-ampere branch circuit x x


c. 25-ampere branch circuit x x


d. 15-ampere branch circuit: a. 20-ampere branch circuit x x x x x x




411.8
8. Class 1 circuits shall be identified at terminal and junction locations
x x x x x x x x x x




a. in a manner that prevents unintentional interference with other circuits
x x x x x x x x x


during testing and servicing
x x x x


b. shall be installed in a neat and workmanlike manner
x x x x x x x x


c. in a manner that's accessible to the public for transparency
x x x x x x x x x


d. both a and b: d. both a and b x x x x x x x x




724.24, 724.30 x


9. Class 2 and Class 3 Power-Limited Circuits are in what article of the 2023
x x x x x x x x x x x x x


xNEC?

a. 720 x


b. 727 x


c. 724 x


d. 725: d. 725 x x x



2 x/ x13