Changing a 15 Amp Outlet to 20 Amps

It is important to know the electrical wire and breaker switches requirements for different kinds of outlet needs. This guide is about changing a 15 amp outlet to 20 amps.
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February 17, 2005 Flag
0 found this helpful

I recently replaced an outlet in my kitchen and realized that all my 15 amp outlets etc. seem to be running off of 20 amp breakers. I don't know how to tell what size the wires are. Are the 20 amp breakers something to be concerned about? Should they be 15?

Brian

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June 24, 20060 found this helpful

Thrifty, you don't know what you are taking about.

If you refer to the National Electical Code, table 210-21[b](3) you'll see that it is permissable to have several 15 amp receptacles on a 20 amp branch circuit.

As a general rule, a 20 amp branch circuit must be supplied with 12 gauge copper wire. There may be circumstances - unlikely to occur in residential settings - where a larger gauge wire is required.

RevMike - at - gmail - com

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August 7, 20080 found this helpful

15 A circuit is protected by a 15 A circuit breaker using #14 wire and one or more 15 A receptacles.

20 A circuit is protected by a 20 A circuit breaker using #12 wire, example 20 A kitchen appliance circuit with with more than one receptacle all receptacles are 15 A receptacles. A 20 A receptacle is only required if it is a dedcated 20 A circuit serving only one plug.

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August 7, 20080 found this helpful

15 A circuit is protected by a 15 A circuit breaker using #14 wire and one or more 15 A receptacles.

20 A circuit is protected by a 20 A circuit breaker using #12 wire, example 20 A kitchen appliance circuit with with more than one receptacle all receptacles are 15 A receptacles. A 20 A receptacle is only required if it is a dedcated 20 A circuit serving only one plug.

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January 6, 20090 found this helpful

Does each outlet on the receptacles get the full 15amp on type b plugs? or is it divided between them two? ie. each outlet gets 7.5/120, or each gets 15/120?

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March 19, 20090 found this helpful

September 7, 2012 Flag
0 found this helpful

I need to change one of my 15 amp outlets to a 20 amp outlet. I checked my fuse/breaker panel and all the breakers are 20 amp breakers. Can I just switch out the outlets and be OK?

By Jimmy D

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September 9, 20120 found this helpful

It depends on what size wire was used.

15 amp breakers and outlets can only be used with 14 gauge wire.

20 amp breakers and outlets can only be used with 12 gauge wire.

http://www.thecircuitdetective.com/basic_house_wiring.htm

20 amp breaker is never allowed to run any circuit whose wires (anywhere on the circuit) are 14 gauge. but a 15 amp breaker's wires out on the circuit may be 14 gauge, 12 gauge, or even a mixture.

Best to get a licensed electrician; much cheaper than an electrical fire.

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