OSHA 10 Construction Practice Test· OSHA (29 CFR 1926)
A non-self-supporting (extension) ladder should be set up at what base-to-height ratio?
Choices
- A1 to 1
- B10 to 1
- C2 to 1
- D4 to 1Correct
Answer
4 to 1
A non-self-supporting extension ladder must be set up at a 4-to-1 ratio: the base is set out about one-quarter of the ladder's working length from the wall.
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