| [GMCnet] Royale's and their 2 circuit beaker panels. [message #290246] |
Wed, 11 November 2015 23:25  |
BobDunahugh
Messages: 2465
Registered: October 2010
Location: Cedar Rapids, IA
Karma: 11
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Senior Member |
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I know that originally the rear A/C only operated on power from the generator only. My burned GMC had been modified so that both A/C's could be run on ether power source. And there was one GFI in the main beaker panel. It also had an automatic transfer switch. On this GMC I'm putting together. I'm thinking of installing another automatic transfer switch. That switch will feed an 8 space panel. Then each circuit will have a wall plug GFI. I'm no sparky. So is the generator power clean enough for these GFI's. Anyone see a problem with my idea. I'm putting in a 50 amp cord. Bob Dunahugh1- 73 GMC1.5 -78 Royale's
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| Re: [GMCnet] Royale's and their 2 circuit beaker panels. [message #290258 is a reply to message #290246] |
Thu, 12 November 2015 08:20  |
lqqkatjon
Messages: 2324
Registered: October 2010
Location: St. Cloud, MN
Karma: 5
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Senior Member |
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I am only an hobbist sparky, been around enough electricians to get myself in trouble, but I do have a phone-a-friend master I can always call.
but I am pretty certain the Generator should have no effect on the GFI situation. the GFI's are only measuring on the load side of the circuit, not the feed side, as long as everything is wired up properly.
Jon Roche
75 palm beach
EBL EFI, manny headers, Micro Level, rebuilt most of coach now.
St. Cloud, MN
http://lqqkatjon.blogspot.com/
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| Re: [GMCnet] Royale's and their 2 circuit beaker panels. [message #290263 is a reply to message #290246] |
Thu, 12 November 2015 10:17 |
JohnL455
Messages: 4447
Registered: October 2006
Location: Woodstock, IL
Karma: 12
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Senior Member |
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GFCIs work by a differential between the hot and neutral. The current on each side of the circuit has to match to within the rating of the GFCI usually in mV If say there is more current flow on the hot than the neutral then it must be returning via an alternate path ( perhaps your body to ground) and it trips. If were starting over, I would put a nice home type panel (Square D or other but not the cheap series) and fit it with GFCI breakers. This solves the size issues at the duplexes as you can use standard Decora type duplexes ( get the bettter series where the wire inserted and is clamped by screw)and affix a GFCI sticker by each. The power cord on a GMC upfit should not show bond between ground and neutral. The bond occurs at the generator once you plug in the 14-50 or you plug into the campground receptical which should have ground and neutral bonded. I have not studied the Coachmen TT-30 setup with changeover arangement, but other than only one leg and the seasaw breakers principles should be same. I would run all 12/3 romex and use 20a recepicals. You can even breaker them at 15a for greater safety. I would home run each duplex to it's own breaker so you don't have issues when running multiple electric heaters etc. Broan and others make some nice kick space heaters you might consider if remodeling. Advantage is nothing to trip over or kick over. Just don't put it where a blanket could get drapoed over. I put one at the floor under the refer cab.
John Lebetski
Woodstock, IL
77 Eleganza II
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| Re: [GMCnet] Royale's and their 2 circuit beaker panels. [message #290265 is a reply to message #290246] |
Thu, 12 November 2015 11:18 |
habbyguy
Messages: 896
Registered: May 2012
Location: Mesa, AZ
Karma: 3
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Senior Member |
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My PO put in a "real breaker box" in the rear (under the bed, which hinges up out of the way) of my Royale center kitchen, with real breakers. He also wired the output of the new (Onan Emerald Plus 6500 watt) generator to a 50 amp receptacle in the generator compartment, so the shore power cord just plugs in there. That way, there's no need for an autoswitch, since you can't possibly have both plugged in at once. Genius, IMHO. I did install an autoswitch to handle my inverter, but now it's only got to be a simple 2-way autoswitch instead of a much more complicated and expensive 3-way unit.
Mark Hickey
Mesa, AZ
1978 Royale Center Kitchen
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| Re: [GMCnet] Royale's and their 2 circuit beaker panels. [message #290283 is a reply to message #290246] |
Thu, 12 November 2015 20:27 |
zhagrieb
Messages: 676
Registered: August 2009
Location: Portland Oregon
Karma: 0
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Senior Member |
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Bob,
There is no need to put in 8 breakers for 8 circuits. If you daisy chain outlets and put a GFI in the first one it will protect all outlets in that chain. Unless you expect some pretty high amp devices in your coach 2-3 circuits should be more than enough.
Glenn
Glenn Giere, Portland OR, K7GAG
'73 "Moby the Motorhome" 26'
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