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IEC practice Questions and Answers 100% Solved R263,80   Add to cart

Exam (elaborations)

IEC practice Questions and Answers 100% Solved

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  • Course
  • IEC
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  • IEC

Exam of 1 pages for the course IEC at IEC (IEC practice)

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  • October 16, 2024
  • 1
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • IEC
  • IEC
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IEC practice

Electrical systems that are grounded shall be connected to earth in a manner that will
limit the voltage imposed by________________ - answer line surges, lightning,
unintentional contact with higher-voltage lines

The primary purpose of grounding metal equipment enclosures and metal raceways to
the grounding electrode system is to___________ - answer keep all metal parts at the
same voltage / limit voltage surges

Providing a low impedance ground return path_________ when a ground-fault occurs. -
answer permits a high current to flow

in a run of conduit, when couplings and connectors are loose this will _________ the
amount of time required for a circuit breaker to open when a ground fault occurs. -
answer increase

in a run of conduit, when couplings and connectors are loose this will _________ the
amount of time required for a circuit breaker to open when a short circuit occurs. -
answerhave no effect on

in commercial repair garages where electrical diagnostic equipment, electrical hand
tools, or portable lighting equipment is used, GFCI protection is required for
all___________ receptacles - answer125 volt, single phase, 15 and 20 ampere/ 250
volt, single phase, 30 ampere/ 250 volt, three phase, 15 and 20 ampere

In commercial garage, what type of service would qualify it as a major repair garage? -
answerpainting

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