Wiring a 220 30 amp dryer outlet to a 110 30 amp RV outlet...can it be done?
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07-29-15, 01:33 PM
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Wiring a 220 30 amp dryer outlet to a 110 30 amp RV outlet...can it be done?
I would like to piggyback off an Electric Dryer 30 amp (240 volt) outlet and connect it to a RV 30 amp (110 volt) outlet. The electric dryer outlet is a NEMA 10-30 and comes off a double pole 30 amp breaker. The RV outlet is a "Recreation Use Only" 30 amp 120 volt XD-010. Can I use just one leg of the dryer hot (red or black) and the neutral (white) to attach to the RV plug and leave the ground off? I don't have a ground on the dryer plug, just two hot (110 volts each) and a neutral.
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07-29-15, 01:54 PM
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just two hot (110 volts each)
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07-30-15, 04:04 PM
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Ray2047, I checked with a volt meter and each hot is only 120 volts (one probe in the neutral and the other in one of the hot.). With both probes in each of the hot at the same time, it is 240 volts. I'm not an electrician, but if you had two (2) 240 volts connected at the same time, wouldn't that make 480 volts? There is also a ground going to the outlet but not attached. Still advise not to extend? Thanks for your help.
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07-30-15, 05:08 PM
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Ray2047, I checked with a volt meter and each hot is only 120 volts (one probe in the neutral and the other in one of the hot.
I'm not an electrician, but if you had two (2) 240 volts connected at the same time, wouldn't that make 480 volts?
There is also a ground going to the outlet but not attached. Still advise not to extend? Thanks for your help.
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07-30-15, 09:03 PM
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Ray2047...Thank you....I think I've got it now, maybe. I guess I misunderstood when you said each hot was 240 volts. Are you still saying that I shouldn't piggyback off the outlet even if I change it to a four wire receptacle and change the dryer plug? I still want to use the dryer, but add another receptacle for the RV. Really do appreciate your help.
