Hook-up wire is a single-conductor insulated wire used for making electrical connections and internal wiring in electronic and electrical equipment. It typically consists of a copper conductor covered with an insulating jacket, available in various gauges, colors, and insulation materials.

Hook-up wire is commonly used in control panels, circuit boards, appliances, automotive systems, electrical equipment, and general electronic wiring. Its flexibility and wide range of sizes make it suitable for connecting components and routing power or signals within equipment.

Key features:

Single-conductor construction
Flexible and easy to strip and terminate
Available in multiple gauges and insulation types
Color-coded options for easy circuit identification
Suitable for low- and medium-voltage internal wiring applications