If you are requesting Jerry's excellent chart, would you please try to send your requests to him directly rather than post it to the rest of the world? His e-mail addy appears in his original offer. This may help those who prefer not to receive alot of unnecessary e-mail. Thank you. :-) Jo JoAnn L. Amerson Design Librarian Red Lion Controls, Inc. E-mail: [log in to unmask] Voice: (717) 767-6961 ext 6308 ################################################################ 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 ################################################################