Steve, Try IPC-ET-652 "Guidelines and Requirements for Electrical Testing of Unpopulated Printed Boards". I'm sure it's available from the IPC. Brian McCrory Chairman, IPC Testing Committee Delsen Testing Laboratories, Inc. 1024 Grand Central Ave. Glendale, CA 91201 Phone: 818 247 4106 FAX 818 247 4537 email: [log in to unmask] URL: http://www.primenet.com/~delsen/