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Old 05-03-2012, 06:17 AM   #15
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I do not know of any licensed electrician that is going to build a extension
to provide 8 users power from a 120 v 100 amp service.
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120A demand from 100A available = formula for failure.
It's not unusual at all and the licensed electrician will be well aware of that. The electrical code allows the power source to be over-committed by about 20% (the specific rules are quite detailed). Add up the branch circuits in your home or RVs load center and this will be obvious. You are allowed to have more outlets on a branch circuit than the source can supply, and more branch circuits than the main can supply. The breaker protects against any actual overload.

But I agree that the campers will likely be unhappy when morning comes and everybody wants to run their coffeemaker, microwave, hair dryer, etc. That's why the individual 15A breakers are required.
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Old 05-03-2012, 06:28 AM   #16
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Does a national park allow this?
Nobody's touching this one Sarah. We have been in NP's where you can't wash your windshield with water only. Don't let your tire off site the pavement by an inch either. Pickup a rock in Big Bend and see a judge, etc. I would love to hear what the NP would have to say if they saw this thread. Happy travels,

Bob
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Old 05-03-2012, 07:12 AM   #17
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Originally Posted by Gary RVRoamer View Post
It's not unusual at all and the licensed electrician will be well aware of that. The electrical code allows the power source to be over-committed by about 20% (the specific rules are quite detailed). Add up the branch circuits in your home or RVs load center and this will be obvious. You are allowed to have more outlets on a branch circuit than the source can supply, and more branch circuits than the main can supply. The breaker protects against any actual overload.
Yes. This is, as I understand it, because in a given typical household, the chance of demanding maximum amps from every circuit simultaneously is small.

The chances of demanding maximum amps from every circuit simultaneously in the OP's scenario is considerably larger, I would think. Everyone wants toast and/or coffee in the morning.
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Old 05-03-2012, 09:25 AM   #18
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We have recently reserved a group site at a national park. This site comes with one 50A plug. Does anyone have ANY suggestions on how to wire a breaker box that I can then add seperate 110V plugs for about 8 rigs?

I'm confident on how to run the 110v's out of the breaker, but not sure how to wire the 50A into the box.

Any help is greatly appreciated
This is a delayed April Fools joke. Right? I mean. Are you serious? Is it a tenting group site? A MH group site? What is your definition of a rig? 8 tents? 8 pickup trucks? 8 boom boxes? And this IS a recreational experience. Right?
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Old 05-03-2012, 09:40 AM   #19
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Did you all notice the OP still has only one post and has not yet responded back
Yes, Shocking!
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Old 05-03-2012, 07:28 PM   #20
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All I can say is I smell SMOKE. I beleave the NP would just about have a stroke if they saw a jury rig like that.
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Old 05-04-2012, 03:38 PM   #21
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Having worked in a large US Forest Service Park that had several group sites, I can say that I have seen scarier stuff than this. Outlet strips, cube taps and extension cords everywhere off a single 20A outlet! Can't say that I ever saw a group site with a 50A outlet, though, so maybe the NPS is getting used to this sort of thing.
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