Jumper Cables Guide and Application

Jumper Cables Guide and Application

• 2025-04-15 09:27:05
• by Admin

jumper cable is a type of wire used for electrical connections, usually to temporarily or permanently connect two devices or circuits in an electrical system.

Jumper cables are commonly used as a means of temporarily supplying power to a car from another car's battery or an external power source when the car's battery is depleted, usually for starting the engine.

Construction and composition of jumper cables:

• Cable wire: made of thick copper core wire to ensure high current transmission (usually 3-5 meters in length, diameter ≥ 6 mm²).
• Clips (crocodile clips):
• Red clip: connects to the positive terminal (+), the two ends are clamped to the positive terminal of the battery loss and the rescue battery respectively.
• Black clip: connect the negative pole (-), one end is clamped on the negative pole of the rescue battery, and the other end is clamped on the metal body (hitch) of the trolley bus.
• Insulating sheath: protects against short circuits and the risk of electric shock.

Jumper cables are also used for other purposes:

• Electrical system grounding: in building electrical engineering, jumper cables are used to connect metal pipes, bridges and other equipment to ensure the continuity and safety of the grounding system.
• Connection of equipment: In industrial facilities, jumper cables are used to connect different equipment or circuits to ensure the proper functioning of the electrical system.

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