The service done by technicians on distribution power lines has a high risk of accidents. one common dangerous situation, which the technician is exposed, is when they pass over the minimum security distance, according to international recommendations. according to the survey report of kerala state electricity board (2009), more than two people per month lost their life due to electrocution from the overhead power lines. as upcoming electrical engineers we thought on above situation and studied. this project is based on a development study for an electronic device capable of detecting the electric field coming from high voltage distribution power lines and small enough to be installed on security helmets. this way, it can be classified as individual security equipment.