Building wire is generally used in house fixed wiring. It is PVC insulated unsheathed electric wire. The construction is CU/PVC. Jenuincable makes the building wire by 2 standards.1 AS/NS 5000.1, for Australia market, voltage is 0.6/1kv. 2 BS EN 50525-2-31 and IEC 60502, for the international market, voltage is 450/750v.