Harman, Nigel. <br/><br/>
Electrical Installations Level 2 :   2330 technical certificate / 
Nigel Harman. 
 - 1st ed. 
 - China :  Heinemann,  c2007. 
 - vii, 395 p. :  ill. (some col.) ;  28 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780435449360 
<br/><br/><label>Dewey Class. No.: </label>621.319  / HAR