... 4,workv voltage:110V,220V,240V 1,floor heating cable,such as under ceramic tile2,warranty:50 years3, ... certificate:ISO,CE ROHS4,workv voltage:110V,220V,240V Cable conductor1 conductorRated voltage110V,220V.240VOutput power18.5W/MConductor ... pressure,high temperature,8 piece tined copper shiledaluminium foil shield,eliminate electromagnetic ,without any disadvantage effect on human healthPVC ...