Automotive Dictionary: Battery Polarity

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Automotive Dictionary: Battery Polarity


Throughout this site we use many technical terms, and given the breadth of readership our site enjoys, sometimes we are remiss and incorrectly assume everyone knows what we are referring to. For those that do not, here are some explanations of the technical terms use.
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Battery Polarity


Negative (-) and positive (+), the plus and minus symbols being marked on the battery posts. The majority of cars are of the negative earthed type, which means the negative () terminal is connected to an earthing-point on the car, usually through an uninsulated braided cable.

Also see: How it Works - The Battery
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