After isolating the equipment, what is the next critical action before starting work?

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Multiple Choice

After isolating the equipment, what is the next critical action before starting work?

Applying lockout/tagout and verifying zero energy is the essential next action before any work begins after isolating equipment. Lockout devices physically secure energy-control points, preventing re-energizing, while tagout provides a visible warning that maintenance is in progress. But a tag alone isn’t enough; the energy must be verified as zero. This means testing to ensure there’s no electrical, hydraulic, pneumatic, thermal, or stored energy that could move or release unexpectedly. Only after confirming a zero-energy state and securing the equipment should maintenance proceed. While other safety steps like inspecting the area or informing a supervisor are important, they do not replace the fundamental protection provided by locking out and verifying zero energy.

Applying lockout/tagout and verifying zero energy is the essential next action before any work begins after isolating equipment. Lockout devices physically secure energy-control points, preventing re-energizing, while tagout provides a visible warning that maintenance is in progress. But a tag alone isn’t enough; the energy must be verified as zero. This means testing to ensure there’s no electrical, hydraulic, pneumatic, thermal, or stored energy that could move or release unexpectedly. Only after confirming a zero-energy state and securing the equipment should maintenance proceed. While other safety steps like inspecting the area or informing a supervisor are important, they do not replace the fundamental protection provided by locking out and verifying zero energy.

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