Electrical Panel Clearance Door Swing

In every case the width depth and height of the working space around electrical equipment must allow all equipment doors or hinged panels to open at least 90 degrees.

Electrical panel clearance door swing.

The width of working space in front of the electric equipment shall be the width of the equipment or 762 mm 30 in whichever is greater. Graphically originally from mike holt. There are specific clearance requirements in the code. 0 9 meter 3 ft clearance when facing other electrical panels 480v.

Clear height in front of panel 480v. Installations built before the 1978 nec only require a minimum clearance of 2 ft in front of electrical equipment. The 30 in wide rule has been used since the 1971 nec. 0 9 meter 3 ft the width of the workingspace in front of the panel.

Clearance to ensure that an electrical panel can be accessed at all times during inspection maintenance or emergency osha has determined that the working space in front of the equipment must be at least 30 inches wide or the width of the equipment. In all cases the working space shall permit at least a 90 degree opening of equipment doors or hinged panels. Headroom clearance has been required since the 1965 nec. Not sure if a door that is movable qualifies as a blockage.

But then if the panel is 3 from the door the door would not block the panel. The clearance is 36 in front and 30 side to side but that side to side clearance does not have to be centered on the panel as long as both edges are accessible. The width of panel or 0 762 meter which is greater.