Work Space Minimum Clear Distances
| Voltage to Ground | Condition 1 | Condition 2 | Condition 3 |
| 0 to 150 Volts | 3 feet | 3 feet | 3 feet |
| 151 to 600 Volts | 3 feet | 3-1/2 feet | 4 feet |
Where:
- Condition 1 is for electrical equipment mounted or set on a wall where the wall on the opposing side of the room is insulated.
- Condition 2 is for electrical equipment that is mounted on a wall and the wall on the opposing side of the room is grounded.
- Condition 3 is for electrical equipment is mounted or set on a wall and other electrical equipment is mounted on an opposing wall.
