UL758, UL1581. UL3321. The UL3321 cable range are designed for internal wiring of electronic and electrical equipment. 600 Volt 28,26,24,22 AWG Stranded tinned copper conductor XLPE insulated material - Cross linked polyethylene Various colours Flammability tested - VW-1 Rated for use up to 150°C. Applications:. Electronic motor and generator industry Heating and cooling Lighting Switchgear Appliance applications