... .Operating temperature:the min. is -40°C4.Working voltage:230VAC5.Outer power(W/m,10°C) 256. ... C :25.4mm At -30°C :35.0mm9. Insulation resistance: if cable length is 100m and thermostatic water is ... 75°C ,testing insulation resistance is 20MΩ at least. As for shielding or ... wire core in 2,500VDC in 20°C, insulation resistance is 1200MΩ at least.10.Explosive mark:ExllT6 ...