What Is the Correct Placement Angle for an Extension Ladder? [75° Rule & Safety Checklist]
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Setting the correct placement angle for an extension ladder is a primary safety requirement on any job site. The golden rule established by safety codes mandates an angle of 75.5 degrees from the horizontal, which corresponds to 15 degrees from the vertical. To achieve this quickly in the field, operators rely on the 4-to-1 distance […]