01395oam 2200385 450 991070341720332120150108155051.0(CKB)5470000002431522(OCoLC)899578626(EXLCZ)99547000000243152220150108g19931994 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierProblems with X-relays in DB- and DHB-type circuit breakers manufactured by WestinghouseWashington, D.C. :U.S. Nuclear Regulatory Commission, Office of Nuclear Reactor Regulation,[1993, 1994]1 online resourceNRC information notice ;93-85Title from title screen (viewed on Jan. 9, 2016)."October 20, 1993."Includes revision, dated January 20, 1994.Nuclear reactorsElectric equipmentElectric circuit-breakersNuclear reactorsElectric equipment.Electric circuit-breakers.U.S. Nuclear Regulatory Commission.Office of Nuclear Reactor Regulation,GPOGPOGPOBOOK9910703417203321Problems with X-relays in DB- and DHB-type circuit breakers manufactured by Westinghouse3213695UNINA