Dear all, hello My question about the potential deference between the soldering iron tip and the ESD grounded mat. I observed that it is about 20 to 30 volts, is it safe for ESD sensitive device? and is it mandatory to keep the iron tip on same potential with ESD grounded mat. Pankaj Karnwal Jr. Engineer QA Barco Electronics System (P) Ltd. WWW.barco.com mailto:[log in to unmask] --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 1.8e To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest Search the archives of previous posts at: http://listserv.ipc.org/archives Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 -----------------------------------------------------