The lightning arrestor system shall comprise of the Indelec lightning arresstor Fixing Tape, Hold Fast, Copper Tape, Copper Tape, Fixing (Clip), Function Clamp for tape, Bimetallic Connectors, Test Clamps for Tape Bonds, Tape-Earth Rod Clamps, Earth Pits, Earth Plate and Mats, Earth Rods, Earth Rod Couplings. Where different metal is used, it shall be cad welded.