GG-K-24-SLE-500 is a Thermocouple Wire, Type K, 24 AWG, Solid, Glass Braid, Special Limits of Error, 500 ft spool

Used on a wide range of applications, thermocouple wire, also known as high temperature wire, is a sensor for measuring temperatures. Two divergent wires are joined together at one end forming a connection that produces electric energy from the two separate temperatures of the wires.