What minimum opening dimensions should be provided if there are appliances in the attic?

The minimum opening dimensions required when there are appliances in the attic are set to ensure safe access for maintenance and inspection. An opening of 22 inches wide and 30 inches high is generally mandated to provide adequate space for a person to enter comfortably while carrying tools or equipment. This size aligns with building codes that prioritize safety and accessibility in attics containing appliances, which can be bulky or heavy.

Choosing this specific dimension helps prevent accidents during maintenance and ensures that the technician can navigate safely without risking injury or damage to the appliance or structure. Therefore, the specified dimensions in this choice facilitate compliance with safety standards while also accommodating the movement of personnel working in these potentially confined spaces.