12V Lights 101 - Branch Circuits | Ep: 2/10
23 marzo 2025 · 8 min · 29K visualizzazioni
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Nate demonstrates how to wire 12V DC lighting circuits in a camper van using a Blue Sea Blade Fuse Block, a rocker switch with spade terminals, puck lights, and lever nuts for all positive and negative junctions.0:34
The tutorial covers the complete branch circuit from fuse block to switch to light: inserting a spade terminal into the switch's middle terminal, running a second wire to the light location, and using lever nuts to join the negative wire at the switch for flexibility.2:12 At the light, Nate flags a non-standard color convention on the puck light — black is positive and white is negative, the reverse of standard DC wiring — and stresses checking polarity before connecting.3:07 Adding a second light in the same location requires only inserting its wires into the existing lever nuts, all positives together and all negatives together.4:51 Spacing lights apart uses extension wires of whatever length is needed between lever nut junctions.5:54 A five-port lever nut can feed up to four lights from one junction.7:51 The single-switch limitation of this topology is explicit: one switch controls the entire circuit, and multi-location switching requires a more complex wiring scheme covered in the next installment.8:19
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