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PTS - IC Lesson 27 Questions & Answers
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PTS - IC Lesson 27 Questions & Answers The portion of the wiring system between the load side of the Class 1 power source and the connected equipment, defines? Class 1 circuit, NEC 100 A Class 1 power-limited circuit shall be supplied by a source that has a rated output of not more than 30...

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  • January 1, 2025
  • 2
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • pts ic lesson 27 questions answers
  • the portion of the wiring system between the load
  • a class 1 power limited circuit shall be supplied

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PTS - IC Lesson 27 Questions &
Answers
The portion of the wiring system between the load side of the Class 1 power source and
the connected equipment, defines? - answer Class 1 circuit, NEC 100

A Class 1 power-limited circuit shall be supplied by a source that has a rated output of
not more than 30 volts and? - answer 1,000 VA, NEC 724.40

Upon failure of the normal supply, a legally required standby system is required to be
available in? or less. - answer 60 seconds, NEC 701.12

Optional standby systems consist of those that are permanently installed in their
entirety, including prime movers, and those that are arranged for a connection to a
premises wiring system from a portable alternate power supply. - answer True, NEC
702.1

Copper or aluminum solid or stranded conductors are permitted to be used for the
installation of non-power-limited fire alarm circuits. - answer False, NEC 760.49(A),
760.49(C)

Class 1 power sources other than transformers shall be protected by overcurrent
devices rated at not more than? of the volt-ampere rating of the source divided by the
rated voltage. - answer 167%, NEC 724.40(B)

Where an emergency system is installed in accordance with the NEC, the source of
power must be available within? of the loss of the normal supply. - answer 10
seconds, NEC 700.12

An installation calls for plenum-rated optical fiber cable to be installed. Which of the
following cable types may be used for the installation? - answer None of the above,
NEC 770.154, Table 770.154(a)

Branch-circuit overcurrent protective devices in a legally required standby circuit shall
be? - answer accessible to authorized persons, NEC 701.30

Class 4 circuits shall be supplied from a power source (transmitter) that has a voltage
output of not more than? peak or dc. - answer 450 V, NEC 726.121

The disconnecting of an energy storage system shall be? - answer both b. and c.,
NEC 706.15(B)

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