Low Voltage Practice Test 1

LOW VOLTAGE PRACTICE TEST 2 EXAM x x x x x




1. All exposed non-current carrying metal parts of an information technolo-
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 820
x 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


1x/x13

, 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




2x/x13