1. Aviation obstruction ball(Aviation warning ball) installed in the wire rope with thunder protected ground wire of the overhead tower, each obstacle ball's distance can't exceed 30 meters, and equal Interval setting.
2. Aviation obstruction ball(Aviation warning ball) have red(orange) or white,should be interphase setting.
3. Involved multiterm lines, cables situation, the height of the balls should not be lower than the height of the highest marked overhead line.
Specification for aviation obstruction ball
|Red(Orange) or White||Color|
|glass reinforced plastics||Material|
Structure of aviation obstacle sphere