DIY Home Improvement, Remodeling & Repair Forum > DIY Home Improvement > Electrical and Wiring > Can I splice a 30 amp cord to a 15 amp cord for AC




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Old 04-25-2012, 07:43 PM  
cwheelin
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Default Can I splice a 30 amp cord to a 15 amp cord for AC

I am new and I hope someone can help. My dryer outlet uses a 30 amp cord/plug but my new ac unit uses a smaller 15 amp plug. Can I splice a 30 amp extension plug into a 15 amp wire plug to hook up my air conditioner? My ac plug is a 230 volt 15 amp but I only have a dryer hook up that requires a 30 amp style plug. Thanks



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Old 04-25-2012, 11:26 PM  
nealtw
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Yes you can change the plug but you also have to change the breaker. If your cord and machine want 15 amps that's the breaker you want to use.



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Old 04-26-2012, 08:33 AM  
JoeD
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No you can't change the plug. You must change the double pole 30 amp breaker to a double pole 15 amp and the receptacle 15 amp 240 volt to match the AC.

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Old 04-26-2012, 09:23 AM  
kok328
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What will you use to power your dryer?
If your asking can you power both the dryer and the A/C from the same circuit, the answer would be NO.

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Old 04-26-2012, 11:25 AM  
cwheelin
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Sorry I didnt say was that I would unplug the dryer when I would want to use the outlet and only for the ac when needed or vice versa. I would only use either one at one time as there is only one outlet. I have a 30 amp cord to plug into that outlet but wanted to splice the 15 amp cord/plug to the ac unit. Is it ok to splice the 2 cords together? Thanks

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Old 04-26-2012, 04:58 PM  
kok328
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Quote:
Originally Posted by cwheelin View Post
Sorry I didnt say was that I would unplug the dryer when I would want to use the outlet and only for the ac when needed or vice versa. I would only use either one at one time as there is only one outlet. I have a 30 amp cord to plug into that outlet but wanted to splice the 15 amp cord/plug to the ac unit. Is it ok to splice the 2 cords together? Thanks
I thought you were leaning towards something like this but, unfortunately you can't do that.
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Old 04-26-2012, 06:21 PM  
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Your AC is a 15 amp device with a 15 amp cord and plug. You can not by code use it on a 30 amp circuit. Run a new circuit for the AC.



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