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Why can houses be wired with 15 amp receptacles on 20 amp circuits? Is it because it is assumed that a 20 amp device won't be used on a single outlet? Are 20 amp receptacles on used in a commercial setting?
NEC 210.21 (B) A single receptacle installed on an indivudal branch circuit shall have an ampere rating not less then that of the branch circuitYes you can install a 15 amp single receptacle on a 20 amp circuit![]()