Ladies and Gentlemen, After assembly of a board, it was discovered at test that there was an error in the fab board causing a signal short. The inner layer short was cut and a jumper installed to repair. I request guidance regarding the allowable length for a jumper. I believe the linear length of this one to be about 4 inches. Can the installation of a jumper on a board's surface cause EMI problems? George Carroll SE&A ############################################################## 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. If you need assistance - contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 ##############################################################