PVC is clearly the material of choice for electrical conduits, both for above and below ground cables. These conduits are used in buildings either fully exposed or encased in concrete floors. Vinidex underground ducting, with its high-impact strength, is used to enclose cables for freeway lighting, industrial power requirements and underground power supplies to modern housing estates. Vinidex rigid wall PVC conduits are used by Australia's growing telecommunications industry. Vinidex also supplies a wide range of high density polyethylene conduits, in either black or white for sub-duct or direct burial applications.