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warnerww 10-14-2012 09:29 PM

dc wiring
 
I am building a remote cabin and am getting ready to wire its DC system. Anyway I have never wired a house with DC. The first shocker was no electric boxes for DC ( I am putting them in anyway just does not seem normal not to have boxes). I am trying to figure out what is the best type of electric connectors to use. When I wire anything dc I always used crimp connectors that has the heat shrink stuff built in so it was watertight and sealed. I am using 10 awg wire throughout so it is quite likely I will have up to five wires connected together in a box. What is the best connector to use???????????

redman88 10-14-2012 09:33 PM

On all the equipment I work on i use those crimp connectors. Not sure about the boxes or cover some of our equipment has the speaker terminals with the red black banana plug type connectors

warnerww 10-14-2012 09:48 PM

I am use to using butt connectors but I do not think I can get 5 10 gauge wires in there ( maybe I can) in my fifth wheel they used these little cheesy looking white connectors that look like a twist connector but you crimp them. I have had a couple of them come loose in the fifth wheel and that is not acceptable for the cabin so I looking for the strongest connection I can get.

redman88 10-14-2012 09:51 PM

Strongest would be solider and heat serink

joecaption 10-14-2012 10:01 PM

What exactly do you plan on trying to power? And what are you going to use to produce the power?
You could use low voltage boxes.
Might want to pick up a book on 12 volt wiring for some good ideas.
Any company that sells boating supplys or camper supplys will have all the supplys you need to wiring 12V

Jim Port 10-14-2012 10:15 PM

I would imagine that the selection of DC appliances would be rather limited.

warnerww 10-14-2012 10:18 PM

I am planning a pretty simple system. One 250 watt solar panel. 2 6 volt batteries. A dc only system, running led lights and a few cigarette receptacles to run dc stuff like a small fan or 10 inch dvd tv for the kid.

warnerww 10-14-2012 10:25 PM

Quote:

Originally Posted by redman88 (Post 1030881)
Strongest would be solider and heat serink

So all I need to do is solder the wires together then put the heat shrink tubing on and I am good to go( OK remember put tubing on first then solder or oops)?????

ddawg16 10-14-2012 10:32 PM

I assume your doing 12Vdc wiring?

While there is not a requirement to put it in boxes.....I would wire it up just as if you were doing AC. Just make sure you watch your wire size and I would suggest using blue for your hot and gray (or black) for your DC common....less likely someone will think AC.

Otherwise, you can wire nut the wires together.

Boxes are nice in that it gives you a nice place to see the connection

warnerww 10-14-2012 10:39 PM

Quote:

Originally Posted by ddawg16 (Post 1030913)
I assume your doing 12Vdc wiring?

While there is not a requirement to put it in boxes.....I would wire it up just as if you were doing AC. Just make sure you watch your wire size and I would suggest using blue for your hot and gray (or black) for your DC common....less likely someone will think AC.

Otherwise, you can wire nut the wires together.

Boxes are nice in that it gives you a nice place to see the connection

I really wanted to use boxes because I have helped friends with wiring problems and many of them have been a wire simply came out of the wire nut. What the heck would I do if that happened and the wire was behind the wall and not in box. I am not only worried about the fire hazard but how am I going to get to that bugger.

Oso954 10-14-2012 11:34 PM

You should read this article.

http://www.backwoodshome.com/articles2/yago116.html

warnerww 10-15-2012 12:02 AM

oso 954 I saw that site and that is how I made My wiring size and many other decisions. However how to connect my wires is not addressed ( Or I missed it and if I did please help me I have missed A lot of things before). In ac wiring it is simple. use this do not do this. When it comes to dc it seems like it is do whatever you want which makes no sense. It seems to me the fire danger is at least as high if not higher in dc wiring and it seems crazy to me that no standard exists for connecting wires.

redman88 10-15-2012 12:06 AM

Personally I would run wires from a central fuse box to the point of connection with no splices or connections in them. I know this is more expensive.

warnerww 10-15-2012 12:15 AM

Quote:

Originally Posted by redman88 (Post 1030964)
Personally I would run wires from a central fuse box to the point of connection with no splices or connections in them. I know this is more expensive.

I never thought of that. I would need quite a few circuits for a small cabin (one circuit for each light switch) but that could be doable thanks for the idea. The place is pretty small.

redman88 10-15-2012 12:32 AM

If I wasn't between companies right now I would take some pics of the fuse panels that are used into the equipment I service


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