Automotive Primary Wire Ampacity

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. More current draw higher amperage requires a larger wire gauge to safely power the accessory. For example you want to add some flood lights to your vehicle.

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Automotive primary wire ampacity.

The actual resting voltage of a fully charged 6 cell automotive lead acid battery is about 12 7 volts or about 2 1 volts per cell. This is good for signal wires but not for hi current applications. This typically allows for a 10 15 variance in draw so the window motor only draws roughly 20 amps. Automotive voltage is not 12 volts.

Gxl wire is a specific type of wiring that is used for automotive primary wiring. Automotive wiring is not exactly 12 volt. Standard automotive primary wire is 18 gauge. The floodlights draw 15 amps of current.

Wire amperage capacity chart in order for your automotive electrical system to perform properly your wire must be sized properly based on the amount of current amperage the wire must carry and the length that the wire needs to be. 6 4 volts for a 6 volt lead acid battery. 50v gxl automotive. During another project you pinched the wire in the door and now you have to replace it.

Made is the usa our automotive wire is wrapped in a thermoplastic pvc insulation is smooth for pulling through wire loom and conduit tough enough to resist grease oil and acid and has a temperature rating of 176 f 80 c. Outside engine compartments the ambient temperature should generally be 20 c. The bare copper wire conductor is wrapped with cross linked polyethylene and allows for 50 volts. Whether your vehicle is a ford or a ferrari our automotive wire is the optimum choice for 12 volt and 24 volt dc electrical systems.

Our gxl wire has thin walls along with a single conductor to make it one of the thinner primary wiring solutions that is great for automotive applications.