Originally Posted By: lwedige
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Working clearances for energized equipment and
panelboards. Except as otherwise specified in Chapters 33
through 42, the dimension of the working space in the direction
of access to panelboards and live parts likely to require
examination, adjustment, servicing or maintenance while ener-gized
shall be not less than 36 inches (914 mm) in depth.
Distances shall be measured from the energized parts where
such parts are exposed or from the enclosure front or opening
where such parts are enclosed. In addition to the 36-inch
dimension (914 mm), the work space shall not be less than
30 inches (762 mm) wide in front of the electrical equipment
and not less than the width of such equipment. The work space
shall be clear and shall extend from the floor or platform to a
height of 6.5 feet (1981 mm).
In all cases, the work space shall
allow at least a 90-degree opening of equipment doors or
hinged panels. Equipment associated with the electrical instal-lation
located above or belowthe electrical equipment shall be
permitted to extend not more than 6 inches (152 mm) beyond
the front of the electrical equipment.
Location of clear spaces. Required working space
shall not be designated for storage.
Panelboards and over-current
protection devices shall not be located in clothes closets