... , PVC insulated, fire-resistant wiresNH-BVVcopper conductor, PVC insulated, PVC sheathed, fire-resistant wiresNH-VV/VLVcopper / aluminum conductor, PVC insulated, PVC sheathed, fire-resistant, power cablesNH ... voltage 300/500V, 450/750V, 0.6/1KV.2. ApplicationsThis cable may prevent human from being suffocated by toxic gas generated ...