... ,Fe,NiCr,NiCrSi 4.Section:0.5-2.5 Teflon insulated thermocouple wire(FEP-FEP) 1. SpecificationsConductors:Solid or stranded ... ”, it means Type K, 20AWG, Solid, Conductor insulation: FEP, Metal shielded: Stainless steel, Overall insulation: FEP.Overbraids:All above thermocouple ... and extension wire also can be finished with a metal overbraid to give added protection from abrasion and mechanical ...