Self Supporting Portable Ladder vs Non Self Supporting Portable Ladder | OSHA DEFINITIONS

Self Supporting Ladder vs non self supporting ladder
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A self supporting portable ladder is a ladder that you can use without using any other surface beside the ground for support. A-frame ladders and step-ladders are examples of self supporting portable ladders.

A non self supporting portable ladder is a ladder the must be supported by another surface in addition to the ground. For example, straight ladders and extension ladders are non self supporting portable ladders.

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