Obstruction Mark Sphere is designed to warning the danger of the overhead transmission line,especially for the high voltage transmission cable and cross river high voltage transmission lines.
Obstruction Mark Sphere can be made in different colours like white.orange.red.orange and white and orange and red.The clamp between the sphere and the wires are made of cast aluminium,the fastener is made of stainless steel.
THE STRUCTURE OF THE PRODUCTS:
1.The spheres should be installed on the wires,and the distance between each balls should be evenly spaced,not more than 30m.
2.The spheres have two colours like white and orange,and when installed,the two colours should be displayed alternately.
3.The spheres should not set under the highest wires.