Debris dropped through holes in floors requires barricades to be placed at what height above the working level?

Barricades are crucial in construction and electrical work to ensure safety by preventing debris from falling and protecting workers below from potential hazards. The requirement for barricades to be placed at 42 inches above the working level aligns with industry safety standards, specifically those set by organizations such as the Occupational Safety and Health Administration (OSHA).

At this height, barricades provide adequate protection while still being practical for workers to see over. Additionally, it serves as a visual warning for individuals working in areas where there may be overhead work occurring. The regulation is designed to minimize the risk of injury from falling objects, which can be severe on job sites.

Other heights, such as 60, 72, or 96 inches, either exceed the necessary height or do not meet the established safety benchmarks, making them less practical or effective in providing the intended protection. Thus, the requirement for a barricade height of 42 inches is both a measured safety protocol and an effective means of protecting personnel on site.