GUIDANCE DOCUMENTS & REFERENCE GUIDES Circuit Breaker Lockout Reference Guide (Posted 04/2010) Vacuum Pump/Turbo Pump/Cart Leak Detector (Revised 04/2010) Listing Requirements Associated with Cables (03/2010) Circuit Breaker Lockout Reference Guide (Posted 04/2010) ELECTRICAL SAFETY LESSONS LEARNED IHS Library Login Instructions Facilities Specific Electrical Safety