Clearance in Front of Electrical Panels

Q: What is the clearance required in front of electrical distribution panels?

A: According to NFPA 70-2011, article 110.26, a minimum of 36 inches clearance is required in front of all electrical equipment, including controls and panels, extending from the floor to a height of 6 foot 6 inches or the height of the equipment whichever is higher. You must maintain clearance for the width of the equipment or 30 inches, whichever is greater, and all doors and panels must be able to be opened at least 90 degrees.