come to think of it, there was another cheaper unit sold at denmans, i think it was called freeswitch.. ill try and find some details in the week.
edit..
heres the site
http://freeswitchwireless.com/
ive found that buildings that look 'temporary' usually have disgraceful wiring. a few years back i worked in a converted aircraft hanger where they made traffic cones,amongst other things, i found live 3ph cable ends in the rafters.
beggers belief!
thats interesting because assuming the tails are 25mm one would assume that halve the conductor size would be adequate for halve the load.
( i know what assume makes though...)
funny ole game :D
(good workmanship by competant persons or persons under their supervision must do the work and also that you must follow the manufacturers instructions, nearly all if not all items of eletrical equipements instructions say that that the item must be installed by a qualified/competant person.)...
not too sure with regards byron. i have one of there socket rf jobbies and find the remote somewhat flakey.
i do know that MK do a version called echo which can use up to 30 switches on one reciever, not sure on prices though...