NEC Essentials for Architects
The required height of the working space is the greater of 78 inches or the height of the equipment. Regardless of the installed height of the top of the electrical equipment, this requirement inherently
Read MoreThe reserved space for high-voltage power distribution boxes should not be lower than the required minimum
Home / The reserved space for high-voltage power distribution boxes should not be lower than the required minimum
The required height of the dedicated working space starts at the floor and extends to 6 feet above the top of the equipment or to the structural ceiling, whichever is lower. Working space: The front clearance, side clearance, and height clearance requirements for electrical equipment that provide a safe area for maintenance, inspections, and other work. This paper will review some of the NEC requirements regarding required electrical space and discuss new product concepts serving to reduce equipment size, resulting in reduced space requirements, reduced installation time, and reduced installation costs.