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What gauge wire should be used for emergency car jump-starting?

1 Answers

DeAlan

07/30/25 7:18am

For emergency car jump-starting, copper wires with an outer diameter of 10mm or larger should be used. The main types of wires and cables used in power systems include bare overhead wires, busbars (bus ducts), power cables (plastic cables, oil-paper insulated cables (largely replaced by plastic power cables), rubber-sheathed cables, overhead insulated cables, branch cables (replacing some busbars), magnet wires, and electrical equipment wires and cables for power devices. Magnet wires mainly consist of enameled wires and wrapped wires; enameled wires are made by coating bare copper wires with insulating varnish, featuring a thin insulation layer and compact size, widely used in various motors, electrical appliances, and instruments. The performance of enameled wires varies depending on the properties of the insulating materials used. Wrapped wires mainly include yarn-covered wires, silk-covered wires, glass fiber-covered wires, paper-covered wires, and plastic film-covered wires.

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