Is 2.5 Square Millimeter Copper Wire Suitable for Jump-Starting a Car?

[JulianaRose]

Using 2.5 square millimeter copper wire for jump-starting a car is not suitable. Introduction to Car Jump Cables: Generally, 10 square millimeter cables are acceptable for jump-starting, but dedicated automotive jumper cables should be used to ensure successful jump-starting without damaging the battery. A 2.5 square millimeter battery jumper cable is not thick enough; 2.5 square millimeter wires are typically used for home wiring. For regular passenger vehicles, cables of 10 square millimeters or larger are required, while larger trucks need cables around 25 square millimeters. Sequence for Connecting Jump Cables: The order for connecting jumper cables is as follows: first, attach the red cable's clamp to the positive terminal of the dead battery, and the other red clamp to the positive terminal of the live battery. Then, connect one clamp of the black cable to the negative terminal of the dead battery, and the other end to the negative terminal of the live battery.