Flach, George W.,  1920- <br/><br/>
Changes in the 1981 National electrical code / 
George W. Flach 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  1981 
 - xii, 161 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>0131278606 0131278525  pbk 
<br/><br/><label>LCCN: </label>80-27386 
<br/><br/><label>Subjects--Corporate Names: </label><br/>National Fire Protection Association. 1981  National electrical code. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric engineering--Insurance requirements