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The applicable NEC table gives a motor full-load current of 28 amperes. What minimum branch-circuit conductor ampacity results from the general 125-percent rule?

Texas Journeyman exam practice question · Motors & Generators

The applicable NEC table gives a motor full-load current of 28 amperes. What minimum branch-circuit conductor ampacity results from the general 125-percent rule?

  • A22.4 amperes
  • B28 amperes
  • C56 amperes
  • 35 amperes

Why D is correct

Motor branch-circuit conductors are generally sized at not less than 125 percent of the applicable table full-load current. Twenty-eight amperes times 1.25 equals 35 amperes.

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