We solder teflon-insulated, stranded wires to our coupons, either with an R-core solder or solid wire and R flux pen. One of my colleagues convinced me to try edge connectors, so I tested them during a test run. They leak too much current to be useful for SIR testing, even the really fancy ones. Karen Tellefsen / Alpha Metals ############################################################## TechNet Mail List provided as a free service by IPC using LISTSERV 1.8c ############################################################## To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body: To subscribe: SUBSCRIBE TECHNET <your full name> To unsubscribe: SIGNOFF TECHNET ############################################################## Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional information. For the technical support contact Dmitriy Sklyar at [log in to unmask] or 847-509-9700 ext.311 ##############################################################