In some nations around the world such as Iran, the expression 'Trunking' is often a channel that allows set up of switches and sockets. When set up with suitable sealing fittings, a conduit is not going to allow the stream of flammable gases and vapors, which provides protection from fire https://cableconduit02278.bcbloggers.com/28843150/5-simple-statements-about-cable-trunking-explained