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Old 07-12-2015, 03:05 PM   #1
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120 to rear a/c separately


I have a 96 Bounder 30amp service with the Itellitec ECC and want to have the option to run the rear a/c off an extension cord if needed.

I have located the j-box at the genset outputs and 20 amp wiring. The 20amp genset output wires will go to a single 20 amp receptacle, the 20amp wires from the house will go to a female 20amp plug, when this set-up is plug in everything should remain the same as before. Now when I want to run the rear a/c with an extension cord, I unplug the house plug and plug in the extension cord.

Hopefully this set-up is correct and the transfer switches are not affected. Inotherwords, even with the extension cord plug in, the shore cord plug in and genset running i should be safe, correct?

Thanks in advance for your help!

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Old 07-12-2015, 06:38 PM   #2
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I had a 98 wired this way. It works fine. There use to be a kit someone put together that you could by but im not sure you can still find it. Sounds like you got the idea. Just run a 20 amp extension cord to the plug and plug the cord into the 20 amp receptacle at the pedistle, the 20 amp breaker at the pedistle then protects the circuit.
when plugged into the rv it is protected by the breaker on the genset.

2014 Excursion 35B
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Old 07-12-2015, 06:47 PM   #3
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120 to rear a/c separately

I've wired my rear a/c in the same manner, but I don't see why you're involving any generator wiring. Keep it simple. No matter which input-- generator or shore power-- the incoming AC always go through the breaker panel before feeding throughout the coach. Just identify the circuit line feeding the rear air conditioner from the breaker panel and interrupt it at a convenient point. In my case the breaker panel was low in the bedroom wall, about nine inches from an easy spot in a right rear belly bay. Install a female receptacle on the breaker panel leg, and a male plug on the air conditioner leg. Done.

John & Diane, Fulltime since '12
2002 DSDP 40, FL, Cat 3126
John & Diane, Fulltimers. RVM103 NHSO
On the road since June '12 with Lincoln, the guard cat.
2002 Dutch Star 40, Freightliner, Cat 3126, 2004 Element
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