110.26(A)(1) states the depth of working space shall be measured from the exposed live parts or from the enclosure or opening if the live parts are enclosed. 110.26 (A)(1)(a) states working space shall not be required in the back of sides of assemblies, such as dead-front switchboards. 110.26 (A)(2) states the width of the working space in front of the electric equipment shall be 30 inches. My question is within this 30 inches of width is there a requirement by code that states what the depth shall be within this 30 inches.
