INSTRUCTOR GUIDE: Lockout / Tag Out

Workplace injuries can be caused by unexpected energization start-up of machines or equipment, as well as release of stored energy. The purpose of de-energization and lockout is to prevent the release of energy that could cause injury or death. A lock or locks are used to make sure that equipment is not accidentally or inadvertently turned on while workers are performing maintenance on it. Maintenance is any work performed to keep machinery or equipment in a safe operating condition. This includes installing, repairing, cleaning, and lubricating the equipment, as well as clearing obstructions to the normal flow of material.