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At what height above the floor must workers wear a safety harness when working on the loading end of a roof?

  1. 6 feet

  2. 10 feet

  3. 8 feet

  4. 12 feet

The correct answer is: 6 feet

Workers must wear a safety harness when working at heights where there is a risk of falling. In many regulations, including OSHA standards, the requirement is established at 6 feet for general industry and often for specific construction scenarios such as working on roofs or similar elevated areas. The 6-foot height is significant because it is generally accepted as a point where the potential for injury from a fall becomes considerable, necessitating the use of fall protection equipment such as safety harnesses. This regulation aids in preventing serious injuries or fatalities, thereby promoting worker safety on construction sites. The other heights presented in the options, while potentially valid in specific contexts or organizations, do not align with the wide-reaching requirement found in the general safety standards that specifically address fall protection for workers at heights.