National Center for Construction Education and Research. <br/><br/>
Electrical level 1 : 2008 NEC revision. Trainee guide  

 - Upper Saddle River, N.J. ; Columbus  Ohio : Pearson Prentice Hall  c2011 
 - 1 (v. pagings) ; 28 cm 
<br/><br/><label>ISBN: </label>9780136044604 (pbk.)