Now why did you have to go and use those fancy-schmanzy non-auto words for? ;-) I still like my "solid state relay" description. I should've said "space aged, solid state relays!" LOL Mark "not an EE" Rosenkrantz On Fri, Mar 20, 2009 at 3:28 PM, Huw Powell <audi at humanspeakers.com> wrote: > > > > A/k/a "transistors"... > > -- > Huw Powell > >