Cover Image

Miswiring in a Westinghouse rod control system.

Bibliographic Details
Format:	Government Document eBook
Language:	English
Published:	Washington, D.C. : United States Nuclear Regulatory Commission, Office of Inspection and Enforcement, 1987.
Series:	Information notice ; no. 87-05.
Subjects:	Nuclear power plants > Electric equipment > Quality control. Nuclear reactors > Control. Electric wiring > Defects.
Online Access:	https://purl.fdlp.gov/GPO/gpo148949

Similar Items

Reactor trip breaker, Westinghouse model DS-416, failed to open on manual initiation from the control room.
Published: (1987)

Electrical wire insulation degradation caused failure in a safety-related motor control center.
Published: (1991)

Potential failures of Westinghouse Electric Corporation type SA-1 differential relays.
Published: (1983)

Electrical component failure due to degradation of polyvinyl chloride wire insulation.
Published: (1994)

Component failures caused by elevated DC control voltage.
Published: (1983)

Problems with Westinghouse DS-206 and DSL-206 type circuit breakers.
Published: (1992)

Fuse problems with Westinghouse 7300 printed circuit cards.
Published: (1993)

Potential loss of safe shutdown equipment due to premature silicon controlled rectifier failure.
Published: (1988)

Potential deficiencies in environmental qualification of Limitorque motor valve operator wiring.
Published: (1986)

Recent Identified problems with Limitorque motor operators.
Published: (1986)

Problems associated with testing, tuning, or resetting of digital control systems while at power.
Published: (1996)

Potential deficiency in improperly rated field wiring to solenoid valves.
Published: (1984)

Failure of undervoltage trip attachment on Westinghouse Model DE-50 reactor trip breaker.
Published: (1993)

Failures of AGASTAT CR 0095 relay sockets.
Published: (1982)

Potential deficiency of certain AGASTAT E-7000 series time-delay relays.
Published: (1982)

Westinghouse type DS circuit breakers, potential failure of electric closing feature because of broken spring release latch lever.
Published: (1985)

Degraded DC system at Palisades.
Published: (1981)

Control rod drive system malfunctions.
Published: (1981)

Potential deficiency of certain class 1E instrumentation and control cables.
Published: (1993)

Maintenance deficiency associated with General Electric horizontal custom 8000 induction motors.
Published: (1991)

Incorrect configuration of breaker operating springs in General Electric AK-Series metal-clad circuit breakers.
Published: (1991)

Failure of ITE model K-600 circuit breaker.
Published: (1981)

Sheared pinion gear-to-shaft keys in Limitorque motor actuators.
Published: (1990)

Defective motor shaft keys in Limitorque motor actuators.
Published: (1988)

Potential design deficiency in motor-operated valve control circuitry.
Published: (2013)

Thermal sleeve flange wear leads to stuck control rod at foreign nuclear plant.
Published: (2018)

Cracked insulators in ASL dry type transformers manufactured by Westinghouse Electric Corporation.
Published: (1992)

Insulation breakdown of silicone rubber-insulated single conductor cables during high potential testing.
Published: (1987)

Mechanical failure of indicating-type fuses.
Published: (1987)

Deficiencies in ferro-resonant transformers.
Published: (1984)

Failures of the undervoltage, trip function of reactor trip system breakers.
Published: (1983)

Failures of Class 1E safety-related switchgear circuit breakers to close on demand.
Published: (1983)

High energy arcing faults in electrical equipment containing aluminum components.
Published: (2017)

Station battery problems.
Published: (1985)

Potential problems in identifying causes of emergency diesel generator malfunctions.
Published: (1991)

Degradation of Westinghouse ARD relays.
Published: (1988)

Environmental qualification of Litton-Veam CIR series electrical connectors.
Published: (1989)

Loss of offsite power caused by problems in fiber optics systems.
Published: (1986)

Loss of vital AC power with subsequent reactor coolant system heat-up.
Published: (1990)

Reactor trip breaker malfunctions (undervoltage trip devices on GE Type AK-2-25 breakers).
Published: (1983)