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Can 14 Gauge 4-way Wire Be Connected to 20 Gauge Wire From LED Tail Light?  

Question:

I am re-wiring a boat trailer and the wire is 14 gauge coming out of the junction box so I intend to replace all wire with 14 gauge. However the LED tail lights are 20 gauge and the running lights on the wheel fenders are 18 gauge. Does this matter? If so do you have led lights with 14 gauge wire?

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Expert Reply:

You can absolutely connect the 14 gauge and 20 or 18 gauge wires, you'll just want to be extra sure the butt connectors you use to connect from the junction box wire to the lights is secure since you're connecting two different gauge wires.

LED lights and clearance lights pull so little power you will not find one that has 14 gauge wire, because that gauge is rated to up to 15 amps and the light will pull nothing close to that.

If you haven't picked up the butt connectors yet make sure you're using heat shrink butt connectors # DW05744-10 especially on a boat trailer to keep that connection protected from the water.

expert reply by:
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Samuel C

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