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If you're looking for a wire to cover all the areas use 10 guage. Very heavy but will handle most normal vehicle requirements except for extreme areas such as starter/battery cables (1 - 6 guage), and some stereo main amp feeds. You won't need 10 guage in a lot of applications (overkill) but it will cover most areas as I said. 16 guage is good for a lot of vehicle applications (lighting etc..). Check out the area of repair/installation and depending on the amperage needed you select you wiring. Below is a link to a chart you may find usefull. http://www.kayjayco.com/techPractical.htm

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16y ago
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14y ago

Sure you can use 14gage wiring for a 12V system. Assuming you are talking about the wiring commonly used in homes referred to as Romex cable. This cable is rated for up to 600V and can be used for any voltage under 600. However the problem you run into is 14gage Romex cable is rated for 15A regardless of the voltage. If you were to use it for a 12V system you would be limited to only 180W. Considering that most 12V light bulbs are 40W this would allow you to power only 4 40W bulbs on a 14gage circuit.

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14y ago

A 12 Gauge wire will handle approximately 20-26 Amps regardless of the voltage. Higher amperage can be attained by using wire with insulation that can handle higher heat.

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10y ago

Up to 9.3 Amps.

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12y ago

16 AWG.

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Q: What gauge wire for 10 amps 12 volts dc?
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