Earthing

Supplied and installed lightning masts and down conductors for the Sydney Kingsford Smith Airport 33kV building at Mascot including: 4m x 2.3m galvanised lightning masts attached to pre-cast concrete walls. 50mm x 3.18mm tinned copper down conductors 50mm x 6.3mm earth bars and connections to an underground earth grid and electrodes. Challenge: Access to the […]