Electrical maintenance fundamentals :  AC/DC theory vol 2 student workbook 
 Electrical maintenance fundamentals [computer file] 

 - Virginia:  ITC Learning,  1980 
 - 1 v. (various paging) :  ill. ;  29 cm.+  1 computer disc 
<br/><br/><label>ISBN: </label>OPE0000453(Local) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric circuits--Alternating current<br/>Electric circuits--Direct current