Electrical :  2008 NEC revision.  Trainee guide 

 - Upper Saddle River, N.J. :  Prentice Hall,  c2008 
 - 2 v. (various pagings) :  col. ill. ;  28 cm. +  5 workbooks 
 - Contren learning series .
 - Contren learning series .
<br/><br/> Includes index  "National Center for Construction Education and Research."--Cover 
<br/><br/>Level one -- level two 
<br/><br/><label>ISBN: </label>9780136044604 (Level 1 : pbk.) 0136044603 (Level 1 : pbk.) 9780136044598 (Level 1 : hbk.) 9780136044659 (Level 2 : hbk.) 0136044654 (Level 2 : hbk.) 013604459X (Level 1 : hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical engineering--Study and teaching<br/>Electric wiring, Interior--Study and teaching