CAL-OSHA has published a very nice LOTO manual with many great tips for everyone, inside and outside of the state of CA! Failure to develop and follow lockout and blockout procedures before working on machinery is one of the major causes of serious injury and death in the USA. Workers can become electrocuted – or suffer permanent disfigurement – due to inadvertent activation of a machine while it is being maintained, repaired or adjusted. Many occupational injuries and deaths occur during the cleaning, adjusting, unjamming, and servicing of machinery. Here is a situation that could happen at your facility: