1. Fixing method of copper lower lead

The downlead adopts 70mm2 double BV copper stranded wire, and a copper lightning rod is welded at the top of the copper downlead. Fix the down lead with tower clamp, and keep it vertical and horizontal.

2 It is recommended to use 70mm2 copper nose, the round end is connected with copper stranded wire, and the flat end is connected with tower foot, which can be fastened by bolts.