How is a floor hole defined in safety terms?

A floor hole is defined in safety terms as an opening that is less than 12 inches but greater than 1 inch in size. This specific size range is important for distinguishing between different types of openings on a worksite. A floor hole of this size poses a risk, as it can allow small tools or materials to fall through but is not large enough to qualify as a larger opening, like a floor opening, which could allow a person to fall through. Understanding this definition is crucial for maintaining workplace safety and ensuring proper precautions are taken to protect workers from potential hazards associated with these types of openings.

The other options do not align with the recognized definition of a floor hole in safety terminology. Openings less than 1 inch are typically not considered hazardous for fall protection, while openings of 12 inches or more are classified as floor openings, which have different safety regulations. The understanding of these distinctions helps in assessing the specific safety measures needed on a job site.