Code to know for Dwelling service calculations – Part 1

What does the 2023 National Electrical Code define as a dwelling unit?

A unit providing complete and independent living facilities for one or more persons

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A unit providing temporary accommodations for travelers

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A unit used for commercial purposes

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A structure designed exclusively for industrial activities

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For calculating the service and feeder loads in a dwelling unit, which article of the 2023 NEC is primarily referenced?

Article 220

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Article 230

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Article 210

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Article 100

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What nominal system voltages are specified for the purposes of calculating branch circuits and feeder loads according to the 2023 NEC?

110, 115, and 230 volts

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110, 220, and 480 volts

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100, 200, and 400 volts

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120, 120/240, and 480Y/277 volts

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