... Class3& Class4 4.electrical GI pipe 5.OEM Conduit accessoriesclass4 and class 3 conduit's fittings are produced comply with BS 4568Part ... , 3-way, 4-way, Terminal Box, Intersection Box, Through Box, Tee Box, Angle Box. 2) Available sizes: 20mm and 25mm, 32mm ... as pull and splice boxes, interconnect lengths of conduit, change conduit direction and provide access to conductors for maintenance and future ...