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Old 03-06-2014, 06:54 PM   #1
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1978 28' Ambassador
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Combine AC and DC Breaker/Fuse Panel

Hi all,

I am completely rewiring my 1978 Ambassador International.

I would like to combine the AC and DC panel by using a marine AC/DC panel from BlueSea (Model 8084)

Per original design the two panels are mounted on the opposite ends of the trailer, the DC panel all the way up front and the AC breaker box in the back in the bathroom.

I was wondering if there are any concerns in combining the two panels. Especially regarding grounding. The AC breaker box was grounded to the end of one main frame member and the DC panel to one of the shell ribs.

Combining the boxes would mean bringing the two grounding points closer together. Could this create a hazard?

I believe the newer trailers have a combined AC/DC panel as well. How does the grounding look in them?

Any input on would be greatly appreciated.

Thanks,

Georgie
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Old 04-07-2014, 06:10 PM   #2
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I was wondering the same thing, it would be nice to put them together- Did you find your answer by chance??
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Old 04-07-2014, 06:21 PM   #3
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Modern Airstreams have converter, breaker panel, and fuses in a common housing.
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Old 04-07-2014, 06:48 PM   #4
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Combine AC and DC Breaker/Fuse Panel

Ground is ground, the proximity of the panels matters not, although I wouldn't ground both on the same lug,
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Old 04-07-2014, 07:14 PM   #5
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1959 26' Overlander
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This forum has some well-meaning but dangerous and potentially deadly electrical advice. Please be sure you fully understand the difference between house and rv wiring -- especially grounds -- and clearly understand the causes of hot skin condition before wiring it yourself.

Best advice is to consult an electrician who understands NEC code for RVs.
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Old 04-07-2014, 07:29 PM   #6
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Combine AC and DC Breaker/Fuse Panel

Really? Is what I said incorrect?

I am open to correction if the skin is not used for both the DC neg ground and the A/C ground (safety not neutral) I am all ears.

Would it be improper to use a panel designed to contain A/C on one side and D/C on the other in a trailer?
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Old 04-07-2014, 07:50 PM   #7
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Sorry if I misread that you were referring to tying the grounds to the chassis, and NEVER the neutral. We just had a long thread on that topic.

I've used combination AC/DC panels on boats without a problem. As long as it's done properly, with appropriate ground, neutral and protective circuitry, it's probably fine. I'm lucky -- my son's a master electrician -- I just call him.
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Old 04-07-2014, 08:05 PM   #8
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Absolutely, a trailer is a "device" and should be wired as such.
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