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Exam (elaborations)

Low Voltage Practice Test 1 (1)

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2024/2025 Written for academic year
Institution Low Voltage
Course Low Voltage
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Low Voltage Practice Test 1 (1)Low Voltage Practice Test 1 (1)Low Voltage Practice Test 1 (1)Low Voltage Practice Test 1 (1)Low Voltage Practice Test 1 (1)Low Voltage Practice Test 1 (1)Low Voltage Practice Test 1 (1)

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LOW VOLTAGE PRACTICE TEST 2 EXAM ll ll ll ll ll




1. All exposed non-current carrying metal parts of an information technolo-
ll ll ll l ll ll l ll ll


gy system
l l 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 ll ll with Article 440 ll ll


b. shall comply ll ll with Article 820 ll ll


c. shall comply ll ll with Article 625 ll ll


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




640.21 (B) ll


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


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




1/ l1 3

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


by ll




2/ l1 3

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