Low Voltage Practice Test 2 Exam

LOW VOLTAGE PRACTICE TEST 2 EXAM ll ll ll ll ll




1. All exposed non-current carrying metal parts of an information technolo-
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gy system
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a. shall be bonded to the equipment grounding conductor
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b. shall be left alone for IT to fix it
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c. shall comply with article 250ll ll ll ll


d. both a and c: d. both a and c
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645.15
2. Cables used to connect loudspeakers to each other or to an amplifier
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a. shall comply with Article 440ll ll ll ll


b. shall comply with Article 820 ll ll ll ll


c. shall comply with Article 625ll ll ll ll


d. shall comply with Article 722: d. shall comply with Article 722.
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640.21 (B) ll


3. Outdoor antennas and lead-in conductors from an antenna to a building shall
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a. not cross over open conductors of electric light or power circuits
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b. be such as to provide a clearance of at least 600 mm (2 ft)
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c. be kept well away from all such circuits so as to avoid the possibility of
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accidental contact
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d. any of the these: d. any of the these
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810.13
4. NPLFA circuit overcurrent protection ll ll ll




a. shall not exceed 7 amperes for 18 AWG conductors
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b. shall not exceed 10 amperes for 16 AWG conductors
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c. shall not exceed 15 amperes for 14 AWG conductor
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d. a and b: d. a and b
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760.43
5. Different intrinsically safe circuit conductors shall be separated from each other by
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1l/l13

, ll one of the following means:
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a. with insulation that is 0.01 in.
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2l/l13