What is the part number of the surface mounting box that has a duct entry?
The part number of the surface mounting box that can accept a duct is 900SPMB. The 900SPMB is a standard pattern Surface Mounting Box for single gang accessories. Internal depth - 33mm.
Features: 4 - 25 x 16mm Trunking Entries, including one each end and side.
Supplied with 3 - Cat. No. 900MBC Clip-in/ push out caps, 4 - Cat. No. 220/10 Insulating Caps and 2 - M3.5 x 0.8 x 16mm long pan head screws. Screws thread into brass inserts.
For further information, please visit http://www.clipsal.com/Trade/Products/ProductDetail?catno=900SPMB