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Old 07-22-2020, 08:57 PM   #1
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Join Date: Mar 2013
Location: Renton, Wa
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Ac wiring install questions

I am in the phase where I need to research and learn about 120v systems in a camper.
I will have a very basic system but have a few questions.
The main purpose of it will be to power my on board battery charger.
Everything is 12 volt. Propane heater, fridge, lights, and that’s about it.

I have typically ran an extension cord through the rear door to plug it in.
I would like to expand on this and use a proper shore power pass through plug.
I am planning on a 15 amp plug due to the small requirements I have.

The battery charger and maybe 2 outlets in the van. These will be used for maybe a heater in the winter at a ski area. Or a blender at a campground or whatever. No regular use of the outlets typically.

I was thinking of installing a small breaker box with a circuit for the charger and one for the other outlets.

But I’m wondering if that is really needed. I realize it would be much more professional, but is it any safer or better than say a household surge protector and cords or hardwired otherwise?

If a breaker box is recommended, is household solid wire suitable or stranded wire? I’ve read conflicting things.

How are your 120ac systems set up and what can you tell me about them and how I might want to set mine up?

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Old 07-22-2020, 11:26 PM   #2
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Join Date: Sep 2009
Location: SE Washington
Posts: 848
The charger instructions should state if a circuit breaker is needed. For sure the van chassis should be connected to the AC ground for safety
2009 E250 RB 5.4L "SilVan"
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