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12 Gauge Auto Wire: Size & Their Usage

Auto wire size is the size of the wire used in an electrical system. It is important to choose the right auto wire size for your project because it will affect how well the system works and how long it will last.

There are many different types of 12 gauge auto wire sizes, but most are designed to be compatible with each other. The most common auto wire sizes are 12 AWG, 14 AWG, and 16 AWG. They all have different properties that can affect how well the system works and how long it will last.

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12 AWG is usually used for lower-current applications, such as headlights and auxiliary lights. It has a smaller diameter than other auto wire sizes, which makes it easier to work with and install. 

14 AWG is usually used for higher-current applications, such as engine blocks and ignitions. It has a larger diameter than 12 AWG, which makes it more durable. 16 AWG is usually used for power distribution systems. It has the largest diameter of all the auto wires, which makes it ideal for high-current applications.

There are a number of different types of gauge wire, each with its own unique properties. Here are the most common types of gauge wire and their corresponding uses:

Type A Gauge Wire: This is the most common type of gauge wire and is used for electrical wiring. It has a thin, rounded wire shape and a round cross-section. It is easy to bend and has a low resistance, which makes it perfect for electrical wiring.

Type B Gauge Wire: This type of gauge wire is used for plumbing and HVAC systems. It has a thicker, more rectangular shape and a square cross-section. It has a high resistance, which makes it perfect for wiring heavy equipment like fans and heaters.

Type C Gauge Wire: This type of gauge wire is used for high-voltage wiring. It has a thick, barrel-like shape and a hexagonal cross-section. It has a high resistance and is not as easily bent as other types of gauge wire