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What are the Dimensions of # 12-2-1 Jacketed Brake Wire


Hi, Im looking at purchasing item number 12-2-1 to wire up my tandem axle brakes. I was wondering what the dimensions on the cable were: thickness and width.


Expert Reply:

I went to our warehouse and pulled some of this Jacketed 2 Wire, part # 12-2-1, to measure for you with a pair of digital calipers. The width of the 2 wires with the jacket measures .364 inches. It measures .209 inches thick. Each individual wire when removed from the jacket measure .122 inches thick.

I have also attached links to some of the connectors that can be used with this wire.

For wiring brakes on a trailer, I would not recommend using 12GA wire. Instead I would recommend 10GA provided with # 10-2-1.

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