... 3.OEM service 4.24h on service BS4568 junction box class 4 and class 3 conduit's fittings are ... material is malleable iron , finished : hot-dipped galvanizedOffering Bs4568 Electrical Conduits. - Protect Electrical Cables and Wires - Material: Steel Pipe - Thickness: 1 ... way, 2-way, 3-way, 4-way, Terminal Box, Intersection Box, Through Box, Tee Box, Angle Box. 2) Available sizes: 20mm and 25mm, 32mm. ...