To ensure compliance under 1910.147, hazardous energy sources, such as electrical, pneumatic, hydraulic, chemical and thermal energy, need to be properly isolated to a zero-energy state through a ...

It is a common practice to lockout and/or tagout control devices. In a nuclear power plant’s control room with its many analog controls, you might (for example) see red covers over specific switches.

[Avionics Today 09-12-2014] Peerless Electronics, distributor of switches, circuit breakers, relays and sensors for the aviation industry, has begun distributing the full line of Master Lock Aviation ...