This article was posted 05/25/2007 and is most likely outdated.

Article 408 Switchboards and Panelboards - 408.4
 

 
Subject - Article 408 Switchboards and Panelboards - 408.4

May 25, 2007
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Switchboards and Panelboards

408.4 Circuit Directory or Circuit Identification

Part I. General

This section on circuit identification was rewritten to improve safety by ensuring that workers don’t have to guess which breaker operates what circuit.

All circuits and circuit modifications must be legibly identified as to their clear, evident, and specific purpose. The identification must include sufficient detail to allow each circuit to be distinguished from all others, and the identification must be on a circuit directory located on the face or inside of the door of a panelboard. See 110.22. Figure 408-1


Figure 408-1
(Click on image to enlarge)

       
 
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Comments

  • Hey Mike, What 110.22 doesn't say is that the circuit directory included with the panel isn't big enough to write all that clear,evident,and specific. It works good in industrial and commercial. you can label device plates etc. But, most home owners don't like PL2 CKT12 lettering on their receptacle plates in the living room. Moat inspectors around here are good about it, as long as you make the effort. But, if they enforced the letter of the code, you'd sure have to do a lot of writing and that directory would be the size of a roadmap

    Fred Madden
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