NEC 110.26 Spaces About Electrical Equipment
Access and working space shall be provided and maintained about all electrical equipment to permit ready and safe operation and maintenance of such equipment.
Related Topics:
Aisle Equipped Electrical Boxes
Safe Clearances for Electrical Equipment: Working Space and
In many commercial facilities, electrical equipment rooms have rows of equipment operating at more than 150 volts to the ground. The aisle (s) between pieces of such equipment, with live parts on both
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Installations accessible to unqualified persons. Electrical installations that are open to unqualified persons shall be made with metal-enclosed equipment or shall be enclosed in a vault or in an area,
Working Clearances, based on the 2020 NEC
If electrical equipment is being replaced, Condition 2 working space is permitted between dead-front switchboards, switchgear, panelboards, or motor control centers located across the aisle from each
Electrical equipment floor space
For front space, they would normally require an approximately 8.5 ft (2.59 m) aisle for original installation and also for future removal of the structures should the system need to be upgraded or in the event it
110.26 Spaces About Electrical Equipment.
Working space, and access to and egress from working space, shall be provided and maintained about all electrical equipment to permit ready and safe operation and maintenance of such equipment.
Consultant''s Corner: Electrical Room Space Requirements
The NEC also requires 3 to 4 feet (1m to 1.3m) of aisle space between live electrical components of 600 volts or less, depending on whether live components are on one or both sides of the aisle. This
Responsibilities
The electrical contractor supplies the junction box, wiring from the electrical panels, connectors, and conduit necessary to meet local code and the final hook up of the wiring.
Understanding OSHA Rules for Industrial Pedestrian Aisle Marking
Aisles must be clear and unobstructed to allow for the safe passage of employees and equipment. Minimum aisle width requirements are determined by the type of equipment and the volume of
Stumped by the Code? Electrical Panel Working Space Rules
Equipment such as raceways, cables, wireways, cabinets, panels, and so on, can be located above or below electrical equipment, but must not extend more than 6 in. into the equipment''s working space.