Electrical wires and cables connect two or more devices to a power source, enabling electricity to run everything from air conditioners to home computers. Typically made of copper, electrical wire is used by electricians and contractors to install thermostats, phone systems, and many other office and residential applications. Two of the most common type of insulated wiring are 10 gauge wire and 12 gauge wire. Cable wire, such as coaxial, fiber optic, and ethernet cables, can connect your TV and computer to a broadband or satellite feed. We also have a wide variety of communication cables and building wire types to suit your needs.