Light to heavy ducts that can carry multiple cables from Switch boards to source of requirement. Can be made with either quick fitting lids or screwed on lids. Sizes range from 50 x 50 mm to 900 x 900 mm in 2.4-3.0m lengths. Materials used are Hot dipped galvanized steel, Aluminium, Stainless steel, Epoxy painted steel or FRP fiberglass.
