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2020 NEC Changes

2020 NEC Changes

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units supplied by single‐phase branch circuits rated 150‐volts or less to ground be provided with ground‐fault circuit‐interrupter (GFCI) protection for personnel. During the 2020 NEC cycle it was substantiated that 250‐volt receptacle outlets present similar shock hazards as …

  Change, Single, 2200, 2020 nec changes

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