Potentially Defective Breaker Locking Devices

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Type:  Just-In-Time Report

Publisher:  Washington River Protection Solutions, Hanford Site (WRPS)

Published As:  Public


Topics:  Electrical, Operations, Hazardous Energy Control

During installation of several Administrative Locks, three out of five breaker locking devices were found to be defective. Two types of breaker lockout devices (Snap-On, Clamp-On) displayed failure or defective cable ends which pass through ancillary lock rail loops to ensure the slide key remains properly secured beyond the installed lock. Verify all locking devices are properly configured and working correctly prior to field use. Notify manufacturers and/or distributors when encountering problems with their products so they are aware and can correct. The manufacturer has been notified of this issue by the Washington River Protection Solutions Lockout/Tagout (LOTO) Subject Matter Expert(s).

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