Production of 1.5m long lightning rod, the diameter of the required number of rounds welded
First of all, you see the lightning rod installation height and the wind strength, installation more than 10 meters of lightning rod, need to use more than or equal to 18mm - 20mm round steel production. Installation of lightning rods below 10 meters shall be made of round bars larger than or equal to 10mm - 12mm.
1, lightning rod production did not use 10mm.2, 1-2 meters of lightning rod, need to use more than or equal to 16mm round steel welding;3, 1 meters below the lightning rod, need to use more than or equal to 12mm Round Steel welding;
