Part 21 Report - 1995-125
LICENSEE: SOUTHERN CALIFORNIA EDISON & SAN DI SITE: SAN ONOFRE 1 2 3 EN NUMBER:28755 DOCKET: 05000206 05000361 05000362 EVENT DATE: 03-14-95 RX TYPE: PWR PWR PWR EVENT TIME: 00:00 VENDORS: W-3-LP CE CE NOTIFY DATE: 05-03-95 EMERGENCY CLASS: N/A REGION: 4 STATE: CA TIME: 15:25 OPS OFFICER: GREG SCARFO 10 CFR SECTION: CDEG 21.21(c)(3)(i) DEFECTS/NONCOMPLIANCE UNIT SCRAM RX INIT INITIAL MODE CURR CURRENT MODE CODE CRIT PWR PWR 1 N N 0 DECOMMISSIONED 0 DECOMMISSIONED 2 N N 0 REFUELING 0 REFUELING 3 N Y 99 POWER OPERATION 99 POWER OPERATION INCORRECT LUGS USED ON SWITCHGEAR. IT WAS DETERMINED THAT THE AMP INCORPORATED INSULATED LUGS USED WITH THE #14 GAUGE WIRE IN ABB 4160V-5HK AND 480VK LINE SWITCHGEAR DELIVERED IN 1975 BY ITE ARE OVERSIZED AND COULD FAIL DUE TO "PULL-OUT" FROM ANY UNUSUAL LOAD APPLICATION. THE CAUSE OF THE DEFECT IS BELIEVED TO BE THE MISMARKING OF THE LUGS, WHICH WERE MARKED AS "#12-10". THE MISMARKED LUGS WERE SUPPLIED WITH SWITCHGEAR THAT WAS DELIVERED TO THE PLANT IN 1976.
Page Last Reviewed/Updated Wednesday, March 24, 2021
Page Last Reviewed/Updated Wednesday, March 24, 2021