Originally Posted By: rrushing
This post was automatically imported from our archived forum.
Sufficient access and working space shall be provided and maintanied all arund electrical equipment to permit ready and safe operation and maintenance of such equipment in accordance with this section and Figure E3305.1.
E3305.2 Working clearances for energized equipment and panelboards.
Except as otherwise specified in Chapter 33 through 42, the dimension of the working space in the direction of access to panelboards and live parts likely to reqire examination, adjustment, servicing, or maintenance while energized shall be not less than 36 inches (914mm) 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 (914mm), the work space shall not be less than 30 inches (762mm) 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 installation located above or below the electrical equipment shall be permitted to extend not more than 6 inches (152 mm) beyond the front of the equipment.