15 amp outlets on 20 amp circuit


Old 05-26-16, 03:24 PM
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15 amp outlets on 20 amp circuit

I had my electrical discussion today and the inspector and I were talking about outlets. It was my understanding that 15 amp outlets (15 amp stamped on them) are allowed on a 20 amp circuit as long as there were more than 1. He said that outlets have to be 20 amp if they are on a 20 amp circuit, even if more than one. I thought the outlet only had to be a 20 amp if it was a single (not double) dedicated outlet ? Does anyone have the code for this I can send him? I searched but could not find the exact wording. I think there is a table somewhere?
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Old 05-26-16, 04:13 PM
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You are correct. NEC Table 210.21(B)(3)
Old 05-26-16, 04:18 PM
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Is he's from Canada? He is correct for CEC but not NEC. You are correct for NEC.

Last edited by ray2047; 05-26-16 at 07:39 PM.
Old 05-26-16, 07:26 PM
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If the inspector gets the simple stuff wrong, I wonder about the more complex stuff. That rule is not in the NEC , it might be a local rule.
Old 05-27-16, 07:48 AM
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... it might be a local rule.
PC is correct and THAT is the problem.

The National Electrical Code is a MODEL code. It has NO power of enforcement UNTIL it is enacted into law by a local, regional or state legislative body. The enabling legislation can add to or delete from the model code as the legislative body (or their designee) sees fit. The result is that ONLY LOCAL CODE IS OF ANY CONSEQUENCE. It is incumbent upon the person doing the work to ensure the work is done in accordance with the LOCAL code.

For what it is worth, Massachusetts has some of the most restrictive codes of any state in the Union.
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