The minimum height of a 380-volt high-voltage power line from the ground is 4 meters.
The Regulation on the Protection of Electric Power Facilities "all levels of voltage conductor sidings in the case of calculating the maximum wind deflection of the conductor
1KV below the distance of 4 meters;
1-10KV distance of 6 meters;
35-110KV distance of 8 meters;
154-220KV distance of 10 meters;
350- 500KV distance is 15 meters.
Expanded Information
Setting safety signs:
1, the overhead power lines across the densely populated areas;
2, overhead power lines across the area of frequent personnel activities;
3, vehicles, machinery frequently crossing the overhead power lines of the lot;
4, transformer platforms on power lines.
Any unit or individual in the protection zone of overhead power lines must comply with the following regulations:
1. No piling up of grains, forage, garbage, slag, flammables, explosives and other items affecting the safety of power supply;
2. No burning of kilns or barrens;
3. No construction of buildings or structures;
4. No Planting plants that may jeopardize the safety of electric facilities.
Newly built overhead power lines shall not cross the area of the storage of flammable and explosive substances warehouse; generally shall not cross the house, special circumstances need to cross the house, the power construction enterprises shall take safety measures and reach an agreement with the relevant units.
Baidu Encyclopedia - Regulations for the Protection of Electric Power Facilities