What is a latching relay? What does it do functionally that distinguishes it from a non-latching relay? What kind of circuit applications would it be useful in? 73 de Ron, K5BDJ -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com