NFPA 70E requires each lockout/tagout device to “be unique and readily identifiable as a lockout/tagout device” [120.2(F)]. How can a lockout/tagout device be “unique”? In this context, the intention ...
[Andy] needed a new set of locks for his tool cabinets at work, but not wanting to carry around another key (or to remember a combination!) he decided to throw this little hack together — solenoid ...