Working near overhead power lines presents a serious risk of electric shock, electrocution, burns, and electrical fires. Cranes, excavators, scaffolding, ladders, and other long equipment can accidentally contact energized lines or approach them closely enough to create an electrical hazard. Before construction begins, the site team should identify overhead power lines, assess the work area, and coordinate with the electricity supply authority to determine the required safety clearances. Where feasible, power lines should be de-energized and isolated by the authorized utility provider before work starts. If this is not possible, appropriate barriers, warning signs, restricted work zones, and suitable controls must be implemented.

Workers and equipment operators should be informed about the location of power lines and the minimum approach distances applicable to the voltage and local regulations. Cranes and other mobile equipment should be operated carefully, with designated signalers and suitable movement restrictions where required. Workers must never assume that a power line is safe because it appears insulated or inactive. If equipment contacts an energized line, the operator should remain inside the vehicle or equipment when safe to do so and follow the site emergency procedure; others should stay away and contact emergency services and the utility provider. Early hazard identification, safe clearance distances, utility coordination, and effective supervision are essential for preventing electrical accidents at construction sites.