This article was posted 06/01/2007 and is most likely outdated.

Article 408 Switchboards and Panelboards - 408.7
 

 
Subject - Article 408 Switchboards and Panelboards - 408.7
Based on - NEC - 2005 Edition

June 1, 2007
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Switchboards and Panelboards

408.7 Unused Openings

New section specifies that unused openings for circuit breakers and switches must be closed in a manner approved by the authority having jurisdiction to restrict access to energized parts when the equipment is fully assembled.

Unused openings for circuit breakers and switches must be closed using identified closures, or other means approved by the authority having jurisdiction as providing protection substantially equivalent to the wall of the enclosure. Figure 408-2


Figure 408-2
(Click on image to enlarge)

       
 
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Comments

  • This has been required for years in Washington State.

    Tall Bill
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