On site guide :  to BS 7671: 1992 requirements for electrical installations. 

 - [London]:   IEE,   [1993].  
 - viii, 112 p. :  ill., tables ;  21 cm. 
<br/><br/> To the 16th edition wiring regulations. 
<br/><br/><label>ISBN: </label>0852965346 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric wiring
<br/><br/><label>Dewey Class. No.: </label>621.317