David, Here's the info you're looking for: ANSI PO Box 30200 Hartford, CT 06150-0200 (v) 212-642-4900 (f) 212-3-2-1286 ANSI/EIA-481-1-A-1994 $32 for 8mm and 12mm ANSI/EIA-481-2-1991 $32 for 16mm and 24mm ANSI/EIA-481-3-1991 $32 for 32mm, 44mm and 56mm ################################################################ TechNet E-Mail Forum 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's web site (http://www.ipc.org) "On-Line Services" section for additional information. For technical support contact Hugo Scaramuzza at [log in to unmask] or 847-509-9700 ext.312 ################################################################