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Which of the following is a requirement for safe ladder use?

  1. Ladder height must not exceed 5 feet

  2. Ensure the ladder is on a stable surface

  3. Ladders should always be used indoors

  4. Ladders should have a single rung

The correct answer is: Ensure the ladder is on a stable surface

Ensuring that the ladder is on a stable surface is crucial for safe ladder use because a stable and secure placement provides necessary support while minimizing the risk of tipping or collapsing. Ladders can be unstable if placed on uneven ground, loose soil, or debris, leading to potential falls or accidents. By securing the ladder on a flat and level surface, the risk of these hazardous situations is significantly reduced, promoting safety for the individual using the ladder. The other options listed do not reflect the best practices for ladder safety. For example, ladder height can often exceed 5 feet depending on the task, and using ladders indoors is not a strict requirement as they can be necessary for outdoor work as well. Additionally, ladders typically have multiple rungs to provide safe access to various heights, contrary to the idea that they should have a single rung.