The thermocouple wire we offer is the least expensive extension wire insulation available in the market. Thermocouple wires pvc individual color coded conductors are laid parallel then jacketed with pvc insulation. The jacket can be easily stripped for separation of insulated conductors for assembly. features : designed for continuous use at temperatures to 220of (105oc). Good abrasion and chemical resistance. Ul approved pltc applications : short run extension leadspermanent sensor fabricationlaboratoriestest facilities