You have a phase reversal. You have to reverse two of the three phase leads to get it back Art Bevilacqua Essex Radio & TV 40 Main St Essex, MA 01929 -----Original Message----- From: GOMDWIL@xxxxxxx Sent: Aug 12, 2004 1:39 AM To: techassist@xxxxxxxxxxxxx Subject: [TechAssist] Just One Question If you replace the main breaker box on a public building and when you turn the power back on what would cause a three phase air condition to start running backwards after the installation? -There was no problem before. Just curious , GRADY WILSON'S TV SERVICE GOMDWIL@xxxxxxx ----------------------------------------------------------------------------- Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/ ----------------------------------------------------------------------------- Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/