A 3D view of an electrical room shows a 480V panelboard with exposed live parts on the front. The working space in front of the equipment has a concrete floor. What is the minimum required depth of this working space?
A 3D view of an electrical room shows a 480V panelboard with exposed live parts on the front. The working space in front of the equipment has a concrete floor. What is the minimum required depth of this working space?