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How Much Working Space Is Enough?

Don’t assume 3 ft of working space applies in all situations

Jan. 1, 2009 Mike Holt | Electrical Construction and Maintenance
In order to create safe working conditions, OSHA and the NEC [110.26] provide working space requirements that vary according to the hazards involved with the installation and equipment. The NEC starts 110.26 by stating the space must be sufficient for ready and safe operation and maintenance of electrical equipment. This general statement applies to all electrical equipment. This single condition

Discuss this Article 3

Chad Hoth (not verified)
on Sep 14, 2012

What about panelboards at the corners of a room (90 degrees), where the working space with overlap the other panelboards working space.

Anonymous (not verified)
on Sep 25, 2012

Does dedicated space include the space behind the panel box?
For a home renovation, can a panel box be located in a hallway, where the box opens in the hallway, but a bathroom will be located on the other side of the wall. No plumbing is located in the shared wall.

Anonymous (not verified)
on Jan 21, 2013

If the installation includes MCC installed in an "L" configuration with doors facing the inside are there any specific space requirements for the equipment to the side of the working area except the requirement for 90 degree door opening?

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