An electrical cable is a bundle of wires or conductors enclosed in a protective covering to transmit electrical power or signals. The conductors can be made of copper or aluminum, and the insulation can be made of materials such as rubber, PVC, or Teflon.

Cables come in various sizes and types, including single-conductor, multi-conductor, shielded, and unshielded. They are used in various applications, including power transmission and distribution, telecommunications, and computer networking.