33.13(viii)(b)

GALVANIZED IRON PIPES AND G.I. EARTHING:BONDING TO EARTH WITH G.I. WIRE: Bonding to earth with G.I. wire No. 7/14S.W.G. (7/2.18mm dia) in 20mm dia. heavy gauge (1.6mm thick) welded conduit pipe (on surface) including painting etc.