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AUX Switches wire sizes

Diesel550

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First Name
Addam
Joined
Dec 8, 2018
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CT
Vehicle(s)
2018 Jeep Wrangler Sahara
Recently added a 20" light bar to the hood of my new JL. The bar pulls 24amps so I ran 10awg wire back to the ground and aux#1 in the bundle under the hood.
I was surprised to find all the wires are around 14awg.
Just wondering why aux #1 and #2 are not 10awg if they are made to push 40amp max?
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