An electrical cable is a grouping of one or more wires that run side by side or are bundled together to convey electric current. One or more electrical cables and their associated connections may be combined to make a cable assembly, which is not always adequate for connecting two devices but can be a partial product. Cable assemblies can also take the shape of a cable tree or cable harness, which are used to link several terminals.

Electrical wires communicate through underwater communication cables. electricity cables, particularly high-voltage wire, are used for bulk transfer of alternating and direct current electricity. Electrical cables are widely utilised in building wiring for lighting, power and control circuits that are permanently placed. Because all of the essential circuit conductors may be put in a cable at the same time, installation labour is reduced as compared to other wiring methods.