// CODE SNIPPET
1910.305(d) Switchboards and Panelboards
JUMP TO FULL CODE CHAPTER
Switchboards that have any exposed live parts shall be located in permanently dry locations and shall be accessible only to qualified persons.
Panelboards shall be mounted in cabinets, cutout boxes, or enclosures designed for the purpose and shall be dead front. However, panelboards other than the dead front externally-operable type are permitted where accessible only to qualified persons.
Exposed blades of knife switches mounted in switchboards or panelboards shall be dead when open.