jumper cable

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A set of jumper cables


jumper cable (plural jumper cables)

  1. (often pluralized) A pair of insulated electrical wires with alligator clips at each end used to jump-start a car with a dead (flat) battery.
    Synonyms: booster cable, (UK) jump lead
    He kept a jumper cable in an emergency box in the car, as he had once been caught with a dead battery.


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