Use case for a transmission line without red and white strips on the towers higher than 45 meters supporting the high voltage cable and markers on the cables
Conductor warning lights 60 to 500 KV. Balisors every 70m (230ft) near airport and every 105m (350ft) in other cases
Aluminium warning spheres on cable every 30 meters.
Warning spheres for ground cable every 30 meters.
Dual color medium intensity light for day and night operation (the use of strobe flashing ligth during day time eliminate the need to paint the obstacle with red and white strips)