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How do I know if I'm running enough stuff to require adding a fuse box. Everything I'm running is 12v. I'm running a heater, two interior lights and a 12v outlet for a portable converter. Should I put the heater, outlet and lights on different fuses or is it not enough to worry about.

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How do I know if I'm running enough stuff to require adding a fuse box. Everything I'm running is 12v. I'm running a heater, two interior lights and a 12v outlet for a portable converter. Should I put the heater, outlet and lights on different fuses or is it not enough to worry about.

Are you talking about in an enclosed trailer using a battery as the power source?

Either way, there needs to be some fuse protection in place, the closer to the power source the better. Myself, I prefer each item to be fused individually-makes it easier to track down the culprit when things go haywire (and it's not "if", but "when").

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Everything is battery power. where do I find a fuse box? None of the Rv place around here have them.

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Go to Home Depot and get a small one, run 4 breakers (1 for heater, 1 for lights, 1 for outlet, 1 spare) and wire it from there

or

Not sure if breakers would trip first, call up auto parts store and look for a small fuse block

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You can always go to an aftermarket stereo shop. They have blocks that will accept 1 4 ga. or larger in, and have 4 8 ga. or less out with glass or MAXI blade fuses. That's what I ended up using on my enclosed - 100A circuit breaker at the battery in the battery box, then 4 ga. back to the rear, then distributed out via the fuse block.

Dan

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Everything is battery power. where do I find a fuse box? None of the Rv place around here have them.
Go to Home Depot and get a small one, run 4 breakers (1 for heater, 1 for lights, 1 for outlet, 1 spare) and wire it from there

or

Not sure if breakers would trip first, call up auto parts store and look for a small fuse block

Does home depot sell breakers for a 12V system?

12V self resetting breakers http://www.grainger.com/Grainger/wwg/productIndex.shtml?L2=ATO+Mount&operator=prodIndexRefinementSearch&originalValue=12V+breaker&L1=Circuit+Breakers%2C

All kinds of goodies-big amp breakers for right next to the battery, fuse holders, self reset breakers (for in place of fuses) etc. http://www.texasindustrialelectric.com/breakers.asp

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