Automotive Battery Cable Size Chart

Mm which is 12 awg.

Automotive battery cable size chart.

Our battery cable is american made and comes in gauge awg sizes of 6 4 2 1 1 0 2 0 3 0 and 4 0 with 6 gauge being the smallest and 4 0 gauge being the largest. I recommend building cables larger than stock. Most of the cost is the ends and labor. Mm cable then go up to 3 3 sq.

Choosing the correct gauge automotive wire depends on the acceptable voltage drop length of the feeder branch circuit conductor load amperage and the ambient temperature of the compartment where the primary wire will pass through. For example if the above cable size calculator says you need 3 0 sq. Choose a higher ambient temperature when conductors are expected to pass through. Battery cable is used to power your electrical system and is sized according to the american wire gauge or awg for short specification for electrically conductive cables.

The manufacturers make stock battery cables as small as possible but still get the job done. For very long cables for example 15 foot long battery cables to relocate your battery go one size larger. Outside engine compartments the ambient temperature should generally be 20 c. Car battery size chart all all how tos car maintenance cars 101 car truck mods cleaning detailing car buying car technology lawn garden othermotive winterizing your toys classic cars off roading racing community history of cars road trips sponsorships.

So you now have a cross sectional area for your cable. Now choose the next largest cable size from the table below.