About 50 results
Open links in new tab
  1. NEC 110.26 Workig Clearance Requirements | Eng-Tips

    Oct 25, 2010 · Reviewing 110.26.A.1 and associated table the working space depth is clear on its requirements. However I have been told that if you have two switchboards facing each other at 600V …

  2. NEC Dedicated Space | Eng-Tips

    Aug 31, 2011 · I was looking at NEC-2005 110.26 (E). NEC-2011 110.26 (E) (1) allows less distance than 6 ft if the structural ceiling is less than 6 ft from the top of the equipment.

  3. NEC 110.26 (C) (2) ...Egress from Working Space for Large Equipment ...

    Jan 7, 2002 · This may seem nitpicky but I'm getting a bit hung up on the wording in NEC 110.26 (C) (2) which defines the Entrance to and Egress from Working Space for Large Equipment "Rated" 1200 …

  4. Automatic Lighting Controls vs. NEC 110.26 (E) | Eng-Tips

    Apr 26, 2012 · Yesterday however an email from the local union safety rep stated that we are in violation of the 2011 NEC 110.26 (E). Their arguement is that the areas must have manual overide controls …

  5. NEC 110.26 Working Clearance | Eng-Tips

    Mar 4, 2021 · Hi All, Is anyone aware of equivalent IEC or other international code/standard that may include the equivalent requirements for working clearances similar to those found in NEC 110.26? …

  6. NEC 2005 110.26 (C) and Bus Ducts | Eng-Tips

    Oct 15, 2007 · 110.26(C) was revised in the 2005 NEC to pertain to equipment rated 1200A or more that contains overcurrent devices, switching devices or control devices. This deleted the exclusion of …

  7. NEC Article 110.26 (A)(1)- Depth of working space condition 3

    Oct 21, 2016 · NEC article 110.26 (A) ( 1) condition 3 states that exposed live parts on both sides of the working space require minimum clear distance of 4ft. NEC does not explain the dead front panel …

  8. NEC 110.27 | Eng-Tips

    Nov 3, 2009 · Does the NEC,guarding of live parts, requires live parts to be guarded against accidental contact when qualified personnel are to be inside an electrical vault or transformer room? Please …

  9. NEC 708 | Eng-Tips

    Jun 11, 2007 · Has anyone read about the proposed new National Electrical Code article pertaining to "critical operations power system"? One recent article seems to indicate it is on the path to being …

  10. Panelboard behind door | Eng-Tips

    Feb 23, 2008 · Is there anything in the NEC that prohibits mounting a panelboard behind a door? This is the only wall space left in a small room. With the door closed there is plenty of NEC required …