General Rules:

General: Rule 013B
application of different editions to existing facilities;
the NESC Grandfather Clause

  See other video clips from the 2007 DANESC Series:

 
•
 Grounding Series
 
•
  Electric Supply Stations Series
 
•
  Clearances Series
 
•
  Overhead Strengths and Loadings
 
•
  Underground Series


   

  
  



 

 
 

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