SHEET METAL IRON CLAD SWITCHES: Supply and erection of sheet metal iron clad switch on existing surface with G.I. bolts & nuts/ rag bolts and nuts etc., according to the size of holes in the body of the enclosure including connections with suitable size of thimbles and bonding to the existing earth as Per PWD General Specifications 2010. Sheet metal iron clad double pole switch 200amp. 415 volts