A self-supporting portable ladder, non-adjustable in length, having flat steps and hinged back, may not exceed ___ feet in length.

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Multiple Choice

A self-supporting portable ladder, non-adjustable in length, having flat steps and hinged back, may not exceed ___ feet in length.

Explanation:
Self-supporting portable ladders are freestanding, so their stability depends on a secure base and the hinge/rigidity of the structure. To maintain safe balance and reduce the risk of tipping or failure, OSHA limits these ladders to 20 feet in length. If you need to reach higher, switch to a different setup such as an extension ladder or scaffolding rather than using a longer self-supporting ladder.

Self-supporting portable ladders are freestanding, so their stability depends on a secure base and the hinge/rigidity of the structure. To maintain safe balance and reduce the risk of tipping or failure, OSHA limits these ladders to 20 feet in length. If you need to reach higher, switch to a different setup such as an extension ladder or scaffolding rather than using a longer self-supporting ladder.

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