Digi-Sense, 08541-49, Thermocouple Wire Type-J, 20-Gauge, Polyvinyl Insulation, 100-ft Spool
Wire comes in 20-gauge size, ideal for fabricating your own probes or extension cables (meets ANSI and ASTM standards). Choose from wire with polyvinyl chloride (PVC), fluorinated ethylene propylene resin (FEP/FEP), fiberglass, high-temperature fiberglass, or ceramic fiber outer/inner insulation.