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Tuesday, September 13, 2022
Question:
Hello CQD, what is the minimum gauge copper wire to carry a 50 amp residential inside circuit?
Thank You,
Ken Chemers
A
Answer:
Ken, Table 310.16 of the 2020 NEC provides allowable ampacities for various insulated copper conductors. A common wiring method used for interior wiring of a dwelling unit is NM Cable, Section 334.80 provides additional guidance on determining the allowable ampacity of NM Cables.