What is the minimum length of ladder rungs?

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Study for the California C-33 License Exam with comprehensive questions and detailed explanations. Prepare for success with our targeted practice quizzes and enhance your understanding of painting and decorating contractor requirements.

Multiple Choice

What is the minimum length of ladder rungs?

Explanation:
Footing depth on ladder rungs must be large enough to accommodate a typical shoe and provide a stable resting surface. The minimum rung depth specified by safety standards is 11.5 inches, which ensures most shoes sit fully on the rung and helps prevent slips when you step up or down or carry tools. If the rung were any shallower, the foot could overhang or slip off, increasing the risk of a fall, especially when reaching overhead or shifting weight. A larger size, like 12 or 13 inches, isn’t required by the standard and isn’t necessary to meet safety minimums, while 9 inches is too small to safely support a foot. So the minimum length is 11.5 inches.

Footing depth on ladder rungs must be large enough to accommodate a typical shoe and provide a stable resting surface. The minimum rung depth specified by safety standards is 11.5 inches, which ensures most shoes sit fully on the rung and helps prevent slips when you step up or down or carry tools. If the rung were any shallower, the foot could overhang or slip off, increasing the risk of a fall, especially when reaching overhead or shifting weight. A larger size, like 12 or 13 inches, isn’t required by the standard and isn’t necessary to meet safety minimums, while 9 inches is too small to safely support a foot. So the minimum length is 11.5 inches.

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