Home / Electrical Infrastructure / Asbestos cement cable troughing Asbestos cement cable troughing Description Also known as cable trays.Moulded AC housing used to cover and protect high voltage cabling between connecting junctions from weather and unintended direct contact.Usually constructed in section lengths with a detachable lid for maintenance access.Can be grounded, fixed on supports or suspended. Brands/products Fibrolite Years of production/use Late 1920s to early 1980s. Residential uses Not known Industrial uses Electrical sub-stationsFormerly used as railway cable troughing adjacent to tracks housing electrical, communication and signalling cables – gradually being replaced Be aware Damaged and weathered troughing may be weakened and in a friable state.Dust and debris in vicinity of installation. AC troughing with electrical cables wrapped in woven asbestos textile AC cable troughing in sub-station AC cable troughing Suspended AC cable troughing in sub-station – section removed AC debris from damaged section of suspended cable troughing