NFPA 70 National electrical code 1993 / 
National Fire Protection Association. 
 - Quincy, MA :  NFPA,  c1992. 
 - xxi, 917 p. :  il. ;  20 cm. 
<br/><br/><label>ISBN: </label>0877653836 :  B/.5.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>INGENIERÍA ELÉCTRICA ---NORMAS TÉCNICAS.
<br/><br/><label>Dewey Class. No.: </label>R621.31924021873  / N213