Coast Resorts Open Roads Forum: Combining a 30 amp and 50 amp extension cord
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 > Combining a 30 amp and 50 amp extension cord

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beerbreath

Rising Sun, MD

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Posted: 06/09/10 07:20am Link  |  Print  |  Notify Moderator

You'll pop the circuit breakers on the generators before anything will burn.





smkettner

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Posted: 06/09/10 07:49am Link  |  Print  |  Notify Moderator

33.4 amps for a few minutes will not hurt a 30 amp cord.


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Acampingwewillgo

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Posted: 06/09/10 07:54am Link  |  Print  |  Notify Moderator

I dont think going 2+ amps over the rated capacity of the 30 amp cord is going to be a problem. Even a sustained load of such would be OK. Obviously, Id be careful about usage. I have something that Ive made that is similiar. I had some 10/4 cable(30') and I put a 50 amp male and female on the ends and I use it for my 50 amp MH as an extension when Im parked in front of the house. I have a good idea what I can and cant do with the extensions limited capacity. Go For it!


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EddieJ

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Posted: 06/09/10 11:46am Link  |  Print  |  Notify Moderator

Thank you all for your response. Very informative and very helpful.

Sandy & Shirley

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Posted: 06/09/10 01:17pm Link  |  Print  |  Notify Moderator

I think I'm lost here!

How do you "combine" two 120 volt generators ???

It's not like linking two DC batteries in series or parallel. Both generators will be producing 60-cycle AC current. How do you keep them in phase ??

I realize that a 50-amp circuit for an RV has two independent hots and a common ground. Are these units built to run in parallel to product 240 volt (sort of) power ??

If that is what they are doing, how can you then push that through a 30-amp wire ???


Did I miss something ??


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beerbreath

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Posted: 06/09/10 01:23pm Link  |  Print  |  Notify Moderator

Sandy & Shirley wrote:

I think I'm lost here!

How do you "combine" two 120 volt generators ???

It's not like linking two DC batteries in series or parallel. Both generators will be producing 60-cycle AC current. How do you keep them in phase ??

I realize that a 50-amp circuit for an RV has two independent hots and a common ground. Are these units built to run in parallel to product 240 volt (sort of) power ??

If that is what they are doing, how can you then push that through a 30-amp wire ???

Did I miss something ??

Yes, you didn't read the posts. Click here

Wayne Dohnal

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Posted: 06/09/10 05:13pm Link  |  Print  |  Notify Moderator

Quote:


How do you "combine" two 120 volt generators ???

You take 2 generators designed to operate in parallel, connect them together, and start 'em up.


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Broccoli1

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Posted: 06/09/10 06:00pm Link  |  Print  |  Notify Moderator

beerbreath wrote:

EddieJ wrote:

beerbreath wrote:

You'll need one of these link to connect you 50A power cord to the 30A extension cord. As long as you only draw 30A or less you'll be fine.


Thanks beerbreath. That answers the question of combining the extension cords. How about the other question. Would you use a 30 amp. extension cord on a pair of generators with a max. rating of 32 amps.?

Yes, don't try to load more then 30A, like two AC's.

I assume you have one of these. link



He has the Honda Companion that has a 30amp Twistlock on it-


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