The 36-inch rule for electrical panels refers to the strict working clearance space mandated by the National Electrical Code to ensure the safety of technicians operating or servicing breaker boxes. Specifically, the code requires maintaining a clear rectangular workspace extending a minimum of 36 inches (3 feet) outward from the face of the electrical panel, stretching from the floor to a height of 6.5 feet or the height of the equipment. Additionally, this working space must be at least 30 inches wide (or the width of the panel). Storing boxes, hanging clothing, or building permanent shelving within this mandatory 36-inch clearance zone is strictly prohibited and creates severe fire and safety code violations.
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