5. During which of the following activities is a lockout/tagout procedure LEAST likely to be
required?a. Installing internal parts in equipment while it is in operation
b. Working within a machine's moving parts area
c. Monitoring equipment or making adjustments remotely
d. Removing or bypassing machine guards1.6 What is Hazardous Energy?
Energy in any form becomes hazardous when it builds to a dangerous level or is released in a quantity
that could injure a worker. Workers servicing or maintaining machines or equipment may be seriously
injured or killed if hazardous energy is not properly controlled. Injuries resulting from the failure to
control hazardous energy during maintenance activities can be serious or fatal! Injuries may include
electrocution, burns, crushing, cutting, lacerating, amputating, or fracturing body parts, and others.
- A steam valve is automatically turned on burning workers who are repairing a downstream
connection in the piping. - A jammed conveyor system suddenly releases, crushing a worker who is trying to clear the jam.
- Internal wiring on a piece of factory equipment electrically shorts, shocking worker who is
repairing the equipment.
Forms of Energy - Electricity is Not the Only Hazard!.................................................................
Energy is the power for doing work. Energy exists in different types, but all are associated with motion.
Regardless of the type, energy exists in two basic states:
- Potential energy - Energy possessed by a body by virtue of its position relative to others,
stresses within itself, electric charge, and other factors. - Kinetic energy - Energy that a body possesses by virtue of being in motion.