International Electrotechnical Commission <br/><br/>
IEC: 466-1994 (Amendment 1); A.C. Insulation -enclosed switchgear and controlgear for rated voltage above 1 Kv and up to and including 38 Kv. 

 - Geneva  IEC  1994 
 - 5 
<br/><br/><label>ISBN: </label>IEC 
<br/><br/><label>Universal Decimal Class. No.: </label> /