Does a GFCI need to be on a 20-amp breaker?


Old 02-08-13, 06:31 PM
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Does a GFCI need to be on a 20-amp breaker?

I have noticed that some 15-amp plug GFCI receptacles (such as this one from Leviton say "20-amp feed-through". Does this mean they have to be on a 20-amp circuit, or will they be fine on a 15-amp circuit? Are there any code restrictions on this?
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Old 02-08-13, 06:38 PM
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No they don't in the US (Canadian code may vary).
Old 02-08-13, 09:28 PM
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"20A feed-through" means that even though it is has 15A outlets, it is rated for use on a 20A circuit. This is the common usage in kitchens and bathrooms where 20A Small Appliance Branch Circuits are required by code, but they are NOT required to have 20A "T-Slot" receptacles, since household appliances with a 20A plug are virtually non-existent..

As Ray said, this is only true in the US. In Canada, 20A circuits are REQUIRED to have 20A "T-Slot" receptacles.


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