Lockout - Zero Energy E-mail

Question: 

Describe what the phrase zero energy state means for a system, in terms of safety for those performing maintenance work on it.


Answer:

"Zero energy state" means that all sources of energy, either conducted from an outside source or stored within components of the system, have been secured so as to pose no danger to the people working on the system.

Identify some sources of energy in a system that could pose a safety hazard to people working on it.
 
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