the recessed type of electrical distribution board mounting detail shows mounting arrangement of cable tray suspended from ceiling slab / purling, surface mounted type distribution board mounting detail, multi core armoured cable from SMDB in cable tray created to wall/soffit glanded to g.i trunking, 20/25/32mm? conduits from floor slab/screed recessed in wall. (quantity as per layout) and spacing of cables should be in accordance with the specification. download free electrical distribution wall mounted detail DWG file.