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I would like to add a switch to a 30A plug, but I am having trouble finding one (they are all rated at 15a/20a). Is there a reason you can't buy 30A switches or is it called something different?

To be more specific, I have a wall ac/heat unit that has a problem where it sometimes kicks on even when the switch is off. Right now I just unplug it when not using it, but I don't like leaving a plug and socket there.

lqlarry
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Alan Jackson
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2 Answers2

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You may not find one at a box store or your local hardware store, because they are rare in residential settings. However, if you go to an electrical supply store, they will have lots of them. Hubble, Square D, and others

shirlock homes
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You can get heavy duty switches at Grainger.

Grainger 30A Switch Grainger 30A Switch

Here is another at Grainger that is a bit less expensive than the switch above.

enter image description here Grainger 30A Switch

Scott Bruns
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