When I had this module wired, the user manual for the module itself showed a lamp connected through on of the relay modules utilising a switched neutral. As a result I wired up my entire board where I was switching the neutrals instead of the lives and the lives were always fed out. However, in some of the newer installation manuals there does not seem to be any indication as to if the neutral is switched or the live is switched. Switching a neutral would oviously be better for the relay itself in regards to arching etc. so just wanted to know if there is anything wrong with doing it this way? The downside being that all of the cables running out to the circuits are "live" all the time as the neutral is switched? Some of my work-in-progress photos attached, the system is fully installed now will post some final photos later on. I wired up the board "industrial style" with double stacked terminals. [IMG]https://dl.dropbox.com/u/16304529/cbus1.jpg[/IMG]