Conduit Extension box can be used as a fixing point at 1M centres instead of using saddles. This especially works well when building a design. This is the conduit box we like to use in our kit design.
In some instances when using a intersection box you might consider a conlok conduit box, this has a allen key type fastening rather than a thread.
If you like a design we have shown and want to adjust it to suit the project room dimensions please contact us.