Richter, H. <br/><br/>
Practical electrical wiring :  residential, farm, and industrial based on the 1990 National Electrical Code / 
H. P. Richter. 
 - 15th ed. 
 - New York :  McGraw-Hill,  c1990. 
 - ix, 645 p. : ill. ; 21 cm. 
<br/><br/> Glossary : p. 613-617. 
<br/><br/><label>ISBN: </label>0070523932 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical wiring, Interior
<br/><br/><label>LC Class. No.: </label>TK3271   / R41 1990