04-04-2013, 12:52 PM
To get full information or details of system earthing please have a look on the pages
http://studentbank.in/report-presentatio...e=threaded
http://studentbank.in/report-elecrical-e...e=threaded
http://studentbank.in/report-elecrical-earthing-system
if you again feel trouble on system earthing please reply in that page and ask specific fields in system earthing