Blue Wire | McMaster-Carr

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281 Products

About Wire and Cable

Wire

Also known as hook-up wire, this wire is primarily used for wiring electrical panels, lighting, and plant floor equipment.

Mil. Spec. Wire

This wire meets stringent military specifications for material quality.

Wire Assortments

Keep spools of wire in multiple colors on hand.

Mil. Spec. Wire Assortments

Maintain a supply of Mil. Spec. wire in multiple colors.

Machine Tool Wire

More flexible than standard wire, this wire is often used for internal appliance wiring and machine tools. Also known as MTW wire.

Chemical-Resistant Wire

Our most chemical-resistant wire—the PTFE insulation protects against most chemicals, solvents, and oil.

Building Wire

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

Vehicle Wire

Originally designed to meet the quality standards of the auto industry, this wire withstands high temperatures, flames, and abrasion.

Vehicle Wire Assortments

Keep spools of vehicle wire in multiple colors on hand.

Fusible Link Wire

Often found in older vehicles, this fusible link wire protects a circuit in applications where you can’t use a standard fuse.

Wrap Wire

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

Circuit Board Wire

Make connections in circuit boards with these short lengths of terminated wire.

Wrap Wire Assortments

Keep multiple colors of wrap wire on hand to color code connections in circuit boards for easy identification.

Cable

Continuous-Flex and -Twist Robotics Cable

In addition to handling continuous movement, this cable withstands twisting up to 450° without degrading data or signal transmission. It's often used in welding robots and rotary tables.

Building Cable

Rated for in-wall installation, this cable carries power to wall outlets. Also known as branch circuit wire.

Ribbon Cable

Often used in electronic prototyping or in the interior of computers, this flat cable is ultra flexible with small-gauge wires so it fits in tight spaces.

Continuous-Flex Data Communication Cable

Often used to send signal and data to order pickers and cranes, this cable withstands continuous motion applications without degrading data or signal transmission.

Ethernet Cable

Send data between computers, printers, servers, and switches.

Duct-Rated Ethernet Cable

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.