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Multiple Choice

The purpose of lockout/tagout is to:

Lockout/tagout is about controlling hazardous energy so equipment cannot be energized while someone is working on it. By isolating the energy source and, when possible, using a physical lock, the system is kept in a de-energized state, preventing unexpected startup. Tags may be used to warn and communicate that maintenance is in progress, but the overall aim is to protect workers from injury due to sudden energization or the release of stored energy in springs, hydraulics, or capacitors. This focus on safe shutdown and energy control is why the option describing preventing unexpected energization is the best choice. The other ideas—making equipment look neat, reducing noise, or hastening maintenance—do not address the safety risks involved.

Lockout/tagout is about controlling hazardous energy so equipment cannot be energized while someone is working on it. By isolating the energy source and, when possible, using a physical lock, the system is kept in a de-energized state, preventing unexpected startup. Tags may be used to warn and communicate that maintenance is in progress, but the overall aim is to protect workers from injury due to sudden energization or the release of stored energy in springs, hydraulics, or capacitors. This focus on safe shutdown and energy control is why the option describing preventing unexpected energization is the best choice. The other ideas—making equipment look neat, reducing noise, or hastening maintenance—do not address the safety risks involved.