Jinx clear.net.nz> writes: > > > It all has to be inside behind the plate > > Kind of an important detail, don't you think ? Better later than never ... Anyway, neither the circuit I posted nor any other will successfully sense the 'new' SMPSU wall wart type of load, as their quiescent is way too low. Also, even a switch type sense device will fail to sense a disconnected load if the user uses an extension piece or cord. The definition of 'unplugged' is too wide to be useful imho. Peter P. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist