Mello Mike wrote:
The best way to do this is to run new wiring to the 12v fuse panel, but this is only an option if you have openings on your fuse block. Otherwise, it's perfectly fine to tap into an existing wire, but I would only do this if the wire I was tapping into was a heavy gauge wire like 12 AWG. In my present camper I've done both. Yesterday, I installed a Blue Sea 360 Panel that has a 12v outlet on one side and a dual USB charging port on the other. I ran new 12 AWG wire to the 12v fuse panel for this new panel. The full details on the install are in my blog.
I like the set up. Looked it up and saw it was about $50. A lot for a faceplate, but still like how nice the finished look is. With the new iPhones' and iPads having increased amperage, a lot of the older USBs don't work for them.
My question would be, if you are installing this closer to the batter compartment, why couldn't you install it right from the battery with an inline fuse? Having this direct would lessen the AmpH loss going through the Fuse box which then goes to the battery. Thus you just cut out the Middle Man. I would look at this as the same as installing an auxiliary item, such as some Off Road Lights on a Front Bumper.
Always looking forward to your next upgrade. Thanks for sharing.
b