Electric wiring and apparatus 

 - New York :   National Electric Code,   1940. 
 - 344 p. : il. ; 18 cm. 
<br/><br/> Apéndice 345 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>NORMAS<br/>INSTALACIONES ELECTRICAS
<br/><br/><label>Universal Decimal Class. No.: </label>X-30 DEPOSITO