![]() Now that you’ve learned how to wire 12v accessories and a distribution block, it’s time to learn how to wire lights and things that require switches. It’s a red and black wire with high-grade, 105 ☌ insulation contained inside of a white protective sheath It’s big enough for 95% of accessory circuits and when installed in lengths consistent with being installed inside a camper stays within the 3% voltage drop range even though, most of the time it isn’t necessary. I’m a big fan of 12ga duplex wire for 12v circuits. Most 12v Accessories can be wired using the exact same methods as described above. I prefer running 1 x 12v outlet per fused circuit from the distribution block. I actually don’t like wiring multiple 12v outlets in series, personally. If you decide to wire multiple 12v outlets in the same circuit, please stay aware of how many total amps you anticipate using in their ENTIRE cicuit and size your fuse and wire size appropriately. If you want to chain multiple 12v outlets on the same citcuit, you’ll want to wire them like this: On the back of the Standard 12v Plug, there will be 2 pins that you’ll attach your wires to with spade connectors. Wiring 12v Plugs in a DIY Camperġ2v Plugs will power any of your plug in devices such as camera battery chargers, phones, drones, and in some cases: Refrigerators. Keep it easy and consistant here and go with black for your negative wires unless you have a really good specific reason to choose otherwise. Negative and neutral (again, same thing) in 12v systems are commonly EITHER black or sometimes yellow. Since you are likely starting this from scratch, I recommend keeping it consistent and going with red for the positive wires. Power, Positive, and Hot (these all mean the same thing and can be used interchangeably) wires in 12v setups are typically red. The 12v Distribution Block connects into your busbar and the one I like has enough spaces for 12 circuits and can power a max of 100 amps at a time combined between all the branch, or accessory circuits. ![]() A 12v Distribution Block makes a nice, organized spot to make all of your accessory runs originate from: 12v Distribution Block We already know that all positive wires need to be protected with a fuse. If you want to check out that step by step guide, you can do that here: Īlso, we have interactive solar wiring diagrams that are a complete, A to Z solution for teaching you exactly what parts go where, what size wires to use, fuse size recommendations, wire lug sizes, and all kind of other stuff to help save you time and frustration. If you’ve just stumbled on this article directly without seeing that, there are likely some things we’ve already covered. This is just one part of an overarching “How to Install a DIY Camper Van Electrical System” series. The electrical system in a DIY Camper Van is a bit pointless if you don’t have anything to power, so let’s learn how to hard-wire plugs, fans, and other accessories into your camper.
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