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-   -   15 amp extension cord to plug in 20 amp equipment? (https://www.askmehelpdesk.com/showthread.php?t=53804)

  • Jan 13, 2011, 01:08 PM
    slyguy61520
    Well Don I am not sure why you have such an attitude about all this because it is an open discussion not court , but maybe you are just like that. So if I am understanding you correctly , about every house out there is in violation of " the law" ,since all of them are using appliances the have 16 ga and some 18 ga wire ?
  • Jan 13, 2011, 01:39 PM
    donf

    Actually, I do not have an attitude about this and no having an extension cord is not a code violation.

    Let me try it this way, It is a violation of the NEC to connect a #14 AWG (copper) conductor to a #12 AWG (copper) circuit and run the circuit at 20 amps.

    If the house is wired with aluminium wiring, then #12 (AL) cannot be married to #10 (AL) without reducing the amperage to 15 amps.

    This applies to the wire behind the wall to the receptacle, running from the circuit breaker to the receptacle.
  • Jan 13, 2011, 02:44 PM
    slyguy61520
    Yes I agree with that as you have written it. The last comment did not clarify it was just the "branch Circuit" from the panel. Nmm

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