An 8-gauge wire is larger than a 14-gauge wire, at 0.1285 inches in diameter compared to 0.0641. This is because in the AWG system, the thicker a wire is, the lower the gauge number.

If you’re not sure what wire size you need, try our DC cable sizing calculator – based on your input of how many amps will be running over what distance, the calculator will provide you with a guide ...