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Lock Out / Tag Out
Lock-Out/Tag-Out (LOTO)
Purpose
LOTO prevents injuries from unexpected release of energy while working on equipment or systems.
Scope
LOTO applies to all hazardous energy, not just electrical, including:
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Mechanical, hydraulic, and piping systems
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Equipment affected by gravity
Control Measures
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Disconnect or block energy sources
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Unplug tools before servicing
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Secure equipment to prevent movement
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Follow site-specific LOTO procedures
General Rules
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Control all energy sources
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Never assume equipment is safe
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Test to confirm equipment is de-energized
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Watch for stored/residual energy
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Apply your own lock and tag before going to work
Enforcement
Failure to follow LOTO rules may result in discipline. Ask your supervisor if you are unsure.
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