Low Voltage Practice Test 1 Questions

Low Voltage Practice Test 1 Questions With Complete Solutions

• All exposed non-current carrying metal parts of an

information technology system

• shall be bonded to the equipment grounding conductor
• shall be left alone for IT to fix it
• shall comply with article 250
• both a and c - Correct Answers ✅d. both a and c

645.15

Cables used to connect loudspeakers to each other or to an amplifier

• shall comply with Article 440
• shall comply with Article 820
• shall comply with Article 625
• shall comply with Article 722 - Correct Answers ✅d.

shall comply with Article 722.

640.21 (B)

Outdoor antennas and lead-in conductors from an antenna to a building shall 1 / 3

Low Voltage Practice Test 1 Questions With Complete Solutions

• not cross over open conductors of electric light or power

circuits

• be such as to provide a clearance of at least 600 mm (2 ft)
• be kept well away from all such circuits so as to avoid the

possibility of accidental contact

• any of the these - Correct Answers ✅d. any of the these

810.13

NPLFA circuit overcurrent protection

• shall not exceed 7 amperes for 18 AWG conductors
• shall not exceed 10 amperes for 16 AWG conductors
• shall not exceed 15 amperes for 14 AWG conductor
• a and b - Correct Answers ✅d. a and b

760.43

Different intrinsically safe circuit conductors shall be

separated from each other by one of the following means:

• with insulation that is 0.01 in.
• a minimum of .25mm 2 / 3

Low Voltage Practice Test 1 Questions With Complete Solutions

• with a metal partition of .0359in thick
• in ducts separated by at least 4 in - Correct Answers ✅a.

with insulation that is 0.01 in.

504.30(B)(2)

Abandoned Supply Circuits and Interconnecting Cables

• left for IT techs
• must be marked for future use
• accessible cables shall be removed unless contained in a

raceway

• all of the these - Correct Answers ✅c. accessible cables

shall be removed unless contained in a raceway

645.5(G)

Branch circuits for lighting systems in Article 311 shall be supplied from a maximum

• 20-ampere branch circuit
• 10-ampere branch circuit
• 25-ampere branch circuit
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