Original poster: "Wall Richard Wayne by way of Terry Fritz <twftesla-at-qwest-dot-net>" <rwall-at-ix-dot-netcom-dot-com> Just looked at the All Electronics catalog and they have some very inexpensive diacs and triacs. Their catalog is online. RWW --- Wall Richard Wayne --- <mailto:rwall-at-ix-dot-netcom-dot-com>rwall-at-ix-dot-netcom-dot-com