National electrical safety code handbook :  a discussion of the grounding rules, general rules, and parts 1, 2, 3, and 4 of the 3rd (1920) through 1977 editions of the National electrical safety code, American national standard C2 / 
Allen L. Clapp, editor. 
 - 4t ed. 
 - New York :  IEEE Standards Press,  c1996. 
 - 466 p. :  ill. ; 
<br/><br/><label>ISBN: </label>1559377240 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical engineering--Safety measures--Standards
<br/><br/><label>Dewey Class. No.: </label>621.3.019.3  CLA