Updated wiring diagram...

Anything electric, AC or DC

Updated wiring diagram...

Postby Shrug53 » Wed Sep 14, 2005 10:27 am

Ok, a little while back I posted a wiring diagram. A few people pointed out things I had overlooked, which could have caused some problems. Here is my new and improved diagram. I have left off the trailer lights, since those are pretty basic.

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Postby Shrug53 » Wed Sep 14, 2005 11:06 am

Shore power is always 120v in this country. I am sure this same thing would work overseas with the proper components replaced.
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Postby Shrug53 » Wed Sep 14, 2005 12:05 pm

This is just a work in progress, based on what I know. If you feel there should be changes, which there may be, then by all means sketch something up to share. I will probably put a cutoff switch so that the shore power connector on the outside of the trailer will not be live. Or maybe not. I do not expect anyone to come by, lift up the hatch, and stick thier fingers in to see what it does.

The battery charger will connect to the shore power because the battery can not charge itself off of the inverter.

As I said, if you have a better layout, I would love to see it. That is why we are here, to collect ideas.
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Postby Shrug53 » Wed Sep 14, 2005 12:52 pm

Well see, those are things I am not aware of. That is why I would like to see somebody take this idea and make it more functional.
My only desire here is to be able to have multiple power options, like a big RV does. If shore power is available, great, then both 12v and 120v applainces can run off of that. If it is not available, I would like to be able to still run everything, at least for a while. I will be running an A/C unit, and possibly a 3-way refrigerator. I am guessing 20 amp breakers would be good to have. Again, I can only speculate. I spent one year as an electrical contractor back in L.A., in the early 80's. I never had to design a system in that time, especially not one like this. Mostly I would put in outlets and swiches where my boss told me to put them.

If you can not do a computer drawing, I urge you to put pencil to paper and then scan it, so I can get a better idea of what to do. This diagram is an improvement over the first one I did, but there are things I am just not knowledgeable enough of to make it 100% right.

I would like to throw in a solar charger for this too, but could not figure it out. I also thought a generator might be good, but if I did something like that, it would be a portable that I could just plug in the the shore power socket, so I would not have to do anything extra there. If I ran a small generator, I would probably mount it in my truck.
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Postby Shrug53 » Wed Sep 14, 2005 1:26 pm

OK, so the DPDT switch will switch between shore and inverter power. I should have thought of that.
And you think I can just spice a solar panel right in to the 12v circuit?
I guess with things like the chargers (solar or otherwise) I do not have to worry about feedback.

I am thinking I should be able to mount that extra fues and switch right inside the junction box too. Have one nice clean unit.
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