> reed switch was designed for use in alarm systems and has a small > capacitor across the contacts. Is it molded ? If so then there is a very > high probability to the capacitor being there. I never heard of such a thing.. (having installed a great many such switches) That would be a very bad idea, the current on closure would accelerate switch failure. -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]: PIC only [EE]: engineering [OT]: off topic [AD]: advertisements