Low Voltage Practice Test 1 (1)

Low Voltage Practice Test ll ll ll


1 ll


1. 1. AllStudy
exposed
l non-current carrying metal parts of an information technolo-
online at https://quizlet.com/_f6rwvb
ll ll ll ll ll ll ll ll ll ll ll ll


gy system
ll




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


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


c. shall comply with article 250 ll ll ll ll


d. both a and c: d. both a and c ll ll ll ll l ll ll ll




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




a. shall comply with Article 440 ll ll ll ll


b. shall comply with Article 820 ll ll ll ll


c. shall comply with Article 625 ll ll ll ll


d. shall comply with Article 722: d. shall comply with Article 722.
ll ll ll ll ll l ll ll ll ll




640.21 (B) ll


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


building shall
ll ll




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


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


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


of accidental contact
ll ll ll


d. any of the these: d. any of the these
ll ll ll ll l ll ll ll




810.13
4. NPLFA circuit overcurrent protection ll ll ll




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


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


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


d. a and b: d. a and b
ll ll ll l ll ll




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


each other by one of the following means:
ll ll ll ll ll ll ll ll




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




1 l/ l13

, Low Voltage Practice Test ll ll ll


1 ll


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


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


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




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




a. left for IT techs ll ll ll


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


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


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


a raceway
ll ll




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


a maximum
ll ll




a. 20-ampere branch circuit ll ll


b. 10-ampere branch circuit ll ll


c. 25-ampere branch circuit ll ll


d. 15-ampere branch circuit: a. 20-ampere branch circuit ll ll ll l ll ll




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




a. in a manner that prevents unintentional interference with other
ll ll ll ll ll ll ll ll


circuits during testing and servicing
ll ll ll ll ll


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


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


d. both a and b: d. both a and b ll ll ll ll l ll ll ll




724.24, 724.30 ll


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


2023 NEC?
ll ll




a. 720 ll


b. 727 ll


c. 724 ll


d. 725: d. 725
ll ll l




2 l/ l13