a description of what a power cable does
A power cable is an assembly of one or more electrical conductors, usually held together with an overall sheath.The assembly is used for transmission of electrical power. Power cables may be installed as permanent wiring within buildings, buried in the ground, run overhead, or exposed.Flexible power cables are used for portable devices, mobile tools and machinery.ee power cord and extension cable for further description of flexible power cables. Other types of flexible cable include twisted pair, extensible, coaxial, shielded, and communication cable. An X-ray cable is a special type of flexible high-voltage cable.