cubs controlled.) The fan controller will need to be fitted outside my switch box in a roof cavity - as I have no space left in the cabinet. So I am aware of the plastic housing available for it - thats cool. The light on the fan of course I will want dimmable - I already have that in place, so my spark y just needs to run flex from my switchboard to the specified cavity where the fan controller will be, and then on to the ceiling fan. Most fans appear to operate on a common neutral - so will it mater which one is used? The current neutral from the light (dimmer) will be fine ? Hence just an active from the fan controller ? Now before you all start jumping up and down - yes my spark y will do it - but I am trying to work out whether its possible first - as it will be a difficult cable run - and will it be worth it. The fan is on the ceiling with no access from above (ground floor of two story) - no easy access. However I know every bearer and path, and believe it will be possible (i Think) - so I intend to run the draw line for my electrician (that way if I damage something - I blame myself and fix it). Did I mention I need to install these on large ceiling roses - yep the reason I want