* 3 feet (914mm) in front
* 36 inches (914 mm) of workspace in front of any live part of equipment
* 4 feet clear for doors providing access to live parts
Branch-Circuit Equipment
* At least 36 inches (914 mm) in front of the board
* 3 inches (76 mm) at least the width of the equipment on either side
* 30 inches (762 mm) of working space from the floor to the live parts