NICET ITWBS Level I Practice Questions - NICET Inspection And Testing Of Water-Based Systems Level I Exam

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A technician sets up a non-self-supporting extension ladder with a working length of 16 feet to reach a riser platform. Following the OSHA 4-to-1 rule, about how far should the base of the ladder be placed from the wall?

2 feet 4 feet 6 feet 8 feet

Correct Answer:

4 feet

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