Instead of spending lots of money on a "universal" car or hot rod electrical kit, this works better and cheaper. The panel feeds one side of the fuses over a common bus. Only one wire is used for power supply of the panel, the other for grounding. If you wish to add circuitry in the future, simply crimp the connector onto the post and insert the fuse. I use separate panels - one for switchable 12v, one for 'always on' 12v and one for 'things that need power when the light is on'.
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