• TO PROTECT personnel from hazards by ensuring predetermined sequences of operations are followed

• TO PREVENT loss of operations and setbacks due to equipment damaged  by mis-followed operations

• TO PROVIDE risk control; understanding that everyone has the right to be safe at work!

Installing a trapped key interlock system ensures a predetermined sequence of events is followed. Whereas Lock Out – Tag Out (LOTO) provides a visual warning and some protection, a trapped key interlock system physically prevents a specific set of actions until the previous action(s) have been completed.