National electrical safety code handbook :  a discussion of the national electrical safety code grounding rules, general rules, and parts 1, 2, 3, and 4 of the 3rd (1920) through 2007 editions of the National electrical safety code, American national standard C2 / 
Allen L. Clapp, editor. 
 - 6th ed. 
 - New York :  Standards Information Network, IEEE Press,  2006. 
 - xviii, 679 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>0738149306 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical engineering--Safety measures--Standards--United States.