These codes cover the installation and placement of residential circuit breaker boxes including main service panels and subpanels.
Electrical panel box on floor.
Nema 3r if exposed to weather.
One way to help safeguard people from hazards arising from electricity use is to ensure there is sufficient working space in front of and around electrical equipment.
In summary electrical panels can be located anywhere other than in bathrooms clothes closets above steps of a stairway or in fire rated partitions or area separation walls as long as the proper working clearances are provided per nec 110 26 and the enclosure type is suitable for the application i e.
Article 110 26 in the national electrical code nec contains specifications for the working space dimensions required around all electrical equipment.
Rooms circuit breaker boxes may not be installed in bathrooms powder rooms clothes closets or in any room where there is insufficient space for a worker to access and work on the box.
To ensure the necessary 36 inches of clearance are left in front of electrical panels and that a working width of 30 inches is present many workplaces combine signs with floor marking tape this tape can outline the area to provide clear visual borders around circuit breaker panels and.
The vertical space must extend from the grade floor or platform immediately in front of the electrical panel to a structural ceiling or 6 feet whichever is lower the space equal to the width and depth of the equipment must be kept clear unless it s used to protect against condensation leaks sprinklers and other damage.
Electric service panels have a number of different names.
Floor signs like these or labels conveying similar information are key to communicating instructions.