Earthing point down conductor CAD drawing includes bonding between down conductor & steel truss, bonding between down conductor & steel truss, rod to cable clamp and earth points with pre-welded tails. also has earth boss which includes made of mild steel to b.s. 970 230m07 (ENIA)with phosphor bronze stud & nuts for welding to steel structures wrap connections with tape. Download free AutoCAD drawing of earthing down conductor elevation blocks drawing DWG file.