PVC Internal &Outside Coated Steel Conduit Type:JSNH
·JStypeconduitinmiddle,insideandoutsidewithPVCjacketed·Corrosionresistant,andliquidtightness·Suitableforoutdoorelectricalwiringapplications·Specialforhighrequiredelectricalsystem,suchastrain,subway,sh