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Old 08-24-2016, 12:10 PM
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What gage wire for 5 LED lights?

About to custom wire the lights listed below on the roof basket of my 2014 WK2.

Rough Country - 70806 - 6-inch Chrome Series Adjustable Base Mount CREE LED Light Bars (Pair) 60 watt
Rough Country - 70903 - 2-inch Chrome Series CREE LED Square Lights (Pair) 36 watt
Rough Country - 70930 - 30-inch Dual Row Chrome Series CREE LED Light Bars 180 watt

Planning to run 1 ground and 3 powers from the lights down the side rain channel on the rear hatch to the undercarriage. Ground taps to the chassis in the rear and powers run down undercarriage to relays/battery underhood. Then switch runs from relays through firewall boot to cabin.

My big unknown is what gage wire I need for the ground and 3 power leads. 276 total watts output (60/36/180 watts respectively) and no listing of amps. Also what amp fuses on the power leads. Want to go as small as is safe since the entry gap between the top of the hatch and roof isn't huge.

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Old 08-26-2016, 05:46 PM
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Re: What gage wire for 5 LED lights?

Watts= voltage x Amperage, So amperage= watts/voltage. In your case 276/12=23 amps total load. or each separate load would be 5/3/15. One 12 gauge wire will handle full load or if you are going to run 3 power wires than 3 16 gauge will handle it no problem, but still use 12 gauge for the ground.
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Old 08-26-2016, 06:11 PM
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Re: What gage wire for 5 LED lights?

Perfect, thanks for the info! I ordered 12 gauge for the ground and 16 for the 3 power leads.
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