The protection of underground power cables is crucial to ensure their longevity, reliability, and safety. There are several key methods for protecting cables from mechanical damage, environmental factors, and future excavation work:

• Ducting and Conduits: Using corrugated double-wall conduits or rigid pipes provides a high level of mechanical protection and allows for easy cable replacement or addition in the future.

• Warning Tapes: Highly visible, non-metallic warning tapes are buried directly above the cable or duct. These tapes often have bold lettering like "CAUTION ELECTRIC CABLE BELOW" to provide a clear visual warning to anyone excavating.

• Protective Covers and Tiles: Heavy-duty, high-impact plastic or concrete covers are placed directly over the cable or duct. These are designed to withstand blows from hand tools and mechanical plant, preventing damage during excavation.