Keep spools of wire in multiple colors on hand.

Install this wire in conduit and cable trays throughout commercial and industrial buildings. It's also known as branch circuit wire.

This wire wraps around a post terminal on a circuit board to make an electrical connection, eliminating the need for soldering.

The metal armor on this cable acts as conduit to protect the internal wires. It's often used along the exterior of walls to carry power to outlet boxes. Also known as MC cable.

This cable has an uninsulated ground wire that touches the protective metal armor so it can be used for bonding and grounding. It's often used along the exterior of walls to carry power to outlet boxes. Also known as AC cable.

Hook up thermostats, air-conditioning units, and other low-voltage equipment.

This cable is approved for use in vertical shafts and large facilities with mulitple levels for critical circuits such as fire alarms and smoke detectors.

Also known as plenum cable, this cable has low-smoke insulation and can be used without conduit in ductwork and above a drop ceiling. Use it to transmit audio, video, and data signals.

Also known as plenum cable, this cable has low-smoke insulation and can be used without conduit in ductwork and above a drop ceiling. Use it to send data between computers, servers, and switches.

Also known as plenum cable, this cable has low-smoke insulation and can be used without conduit in ductwork and above a drop ceiling. It has an oil-resistant insulation to protect wires as the cable moves from duct to equipment or machinery.

Connect telephones and telephone blocks to a wall jack.