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  #1  
Old 11-06-2010, 01:56 PM
pooleo pooleo is offline
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Lightbulb Rocker switch question

Can a DC lighted rocker switch be used for an AC application...?

I had my air compressor stolen last sat. So I bought a new one today, my wife works at menards and they had a discontinued 5 gal. 3hp twin stack. It was $89 and she gets a 10% discount so I couldnt pass it up.

The problem is the power switch on the pressure deally is in a very akward and just plain stupid place. Its hard to reach.

I want to wire in a rocker switch on the top panel. This way I can plug it in and just hit the rocker to power it on. Of coarse I will just keep the original lever switch in the "auto" postion.

I have a lighted rocker for DC truck application. Will this be able to handle 110v AC current...?

Any help would be appreciated.

Thanks.
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Old 11-06-2010, 02:12 PM
FireRanger FireRanger is offline
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Default Re: Rocker switch question

Electricity is electricity as far as switches go. The light will not work. However I'm pretty sure an air compressor is going to be way too much current for a dinky cheap little automotive rocker switch. Do not use it.
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Old 11-06-2010, 02:15 PM
pooleo pooleo is offline
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Default Re: Rocker switch question

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Originally Posted by FireRanger View Post
Electricity is electricity as far as switches go. The light will not work. However I'm pretty sure an air compressor is going to be way too much current for a dinky cheap little automotive rocker switch. Do not use it.
Thanks, Yeah your right that will be to much draw. Come to think of it, I have a nice rocker from a PS2. It was the power switch. That should work.
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Old 11-06-2010, 02:27 PM
FireRanger FireRanger is offline
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Default Re: Rocker switch question

Uh, no it won't. What makes you think the power switch to a playstation is going be adequate for a high current compressor motor??
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Old 11-06-2010, 02:35 PM
pooleo pooleo is offline
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Default Re: Rocker switch question

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Originally Posted by FireRanger View Post
Uh, no it won't. What makes you think the power switch to a playstation is going be adequate for a high current compressor motor??
Well I suppose becuase it is for AC, I never have claimed to be an electrician, the compressor draws 13 amps, so I guess I will head to menards and buy like a 16amp/125volt toggle switch.
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Old 11-06-2010, 04:20 PM
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Default Re: Rocker switch question

A plain old light switch should work, they even make 'em in 20a versions for extra heavy duty situations.

I'd stay away from a DC switch unless it's specifically rated for AC/DC use. Most DC switches will only handle 1 or 2 amps AC & as soon as that compressor kicks in, that little switch will probably melt all over the place.

Rather be safe than sorry.
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Old 11-06-2010, 04:37 PM
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Default Re: Rocker switch question

AC vs DC is really irrelevant in this situation. It's amps. Amps the actual amount of juice flowing through the circuit. Volts come into play when determining the gap of the switch, arcing, etc. And that is the same whether it is AC or DC.

You PS draws about an amp on the 120v AC side. That ain't going to cut it on a compressor motor. That switch will heat up and melt pretty quick.
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Last edited by FireRanger; 11-06-2010 at 04:48 PM.
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