6.0DC GROUND FAULT DETECTOR
6.1Introduction
7KHý'&ý*URXQGý)DXOWý'HWHFWRUýPRQLWRUVýFXUUHQWýWKURXJKýWKHý836WDWLRQý6êýEDWWHU\ýFDEOHVïý:KHQý
DýJURXQGýIDXOWýFXUUHQWýLVýGHWHFWHGýIURPýDQ\ýEDWWHU\ýSRVLWLYHýõòôýRUýQHJDWLYHýõðôýWHUPLQDOýWRýJURXQGñý
DýUHOD\ýFRQWDFWýLVýFORVHGïý7KHýUHOD\ýFRQWDFWýLQIRUPDWLRQýLVýUHOD\HGýWRýWKHý,QSXWý&RQWDFWý,VRODWRUý
DQGýWKHýJURXQGýIDXOWýPHVVDJHýLVýGLVSOD\HGýRQýWKHý836ýVFUHHQï
7KHý'&ý*URXQGý)DXOWý'HWHFWRUýUHTXLUHVýDQý,QSXWý&RQWDFWý,VRODWRUýZLWKýDýFRQWDFWýDVVLJQHGýDVý §'LVSOD\ý*URXQGý)DXOWý0HVVDJHï¨ý$ýòëé9'&ýSRZHUýVXSSO\ýLVýLQFOXGHGýRQýWKHý,QSXWý&RQWDFWý,VRODð WRUýWRýSRZHUýWKHý'&ý*URXQGý)DXOWý'HWHFWRUïý7KHý$&ýRXWSXWýFULWLFDOýSRZHUýIURPýWKHý836ýVXSSOLHVý LQSXWýSRZHUýWRýWKHýòëé9'&ýSRZHUýVXSSO\ï
6.2Installing the DC Ground Fault Detector
%HIRUHý\RXýEHJLQýWKHýLQVWDOODWLRQýSURFHVVñýUHDGýWKURXJKýWKHVHýLQVWUXFWLRQVýDQGýWDNHýDOOýQHFHVVDU\ý
VDIHW\ýSUHFDXWLRQVýWRýSURWHFWý\RXUVHOIýDQGýWKHýHTXLSPHQWý\RXýDUHýDERXWýWRýLQVWDOOïý2EVHUYHýDOOý
ZDUQLQJVýDQGýFDXWLRQVýOLVWHGýLQýWKHýIURQWýRIýWKLVýPDQXDOýZKHQýZLULQJýWKHý'&ý*URXQGý)DXOWý'HWHFð
WRUï
$
:$51,1*
%()25(ý,167$//,1*ý7+,6ý237,21ñý%(ý685(ý72ý ',6&211(&7ý$//ý32:(5ý6285&(6ý&211(&7('ý72ý7+(ý 836ïý&203/(7(/<ý,62/$7(ý7+(ý836ý)520ý$//ý32:(5ý 6285&(6ý%<ý'2,1*ý7+(ý)2//2:,1*ã
ìï 7851ý7+(ý%5($.(5ý2))ý'2:1ý675($0ý2)ý7+(ý836ï
ëï ',6&211(&7ý7+(ý%$77(5<ý)520ý7+(ý836ý%<ý 6:,7&+,1*ý7+(ý%$77(5<ý&,5&8,7ý%5($.(5ý2))ï
êï 7851ý7+(ý%5($.(5ý2))ý83675($0ý2)ý7+(ý836ï éï :$,7ýèý0,187(6ý)25ý&$3$&,7256ý72ý',6&+$5*(ï )2//2:ý7+(ý,16758&7,216ý*,9(1ý,1ýìïí ðý,1752'8&7,21ï
ìï 2SHQýWKHý836WDWLRQý6êýDQGýDFFHVVýWKHýRSWLRQýPRXQWLQJýDUHDýDVýGHVFULEHGýLQýìïì ðý2SHQLQJý WKHý836WDWLRQý6êï
ëï ,IýWKHý,QSXWý&RQWDFWý,VRODWRUýRSWLRQýLVýQRWýLQVWDOOHGñýGRýVRýDWýWKLVýWLPHïý5HIHUýWRýèïë ðý ,QVWDOOLQJýWKHý,QSXWý&RQWDFWý,VRODWRUï
êï 2SHQýWKHý,î2ýFRYHUýORFDWHGýDWýWKHýORZHUýIURQWýRIýWKHý836ýWRýDFFHVVýWKHýEDWWHU\ýWHUPLQDOVïý 5HPRYHýVFUHZVýDQGýVHWýFRYHUýDVLGHï
$
:$51,1* 
%(ý685(ý7+(ý%$77(5<ý7(50,1$/ý%/2&.ý21ý7+(ý/2:(5ý 5,*+7ý+$1'ý6,'(ý2)ý7+(ý836ý,6ý127ý(1(5*,=('ý%()25(ý &217,18,1*ï
éï 'LVFRQQHFWýWKHýWZRýFDEOHVýFXUUHQWO\ýFRQQHFWHGýWRýWKHýEDWWHU\ýSRVLWLYHýDQGýQHJDWLYHýWHUPLQDOVïý 3DVVýWKHVHýFDEOHVýWKURXJKýWKHý&7ýULQJñýHQWHULQJýIURPýWKHýSODQHýVLGHýRIýWKHý&7ýULQJýõWKHýVLGHý ZLWKRXWýZLUHVôïý5HFRQQHFWýWKHýFDEOHVýEDFNýWRýWKHýEDWWHU\ýSRVLWLYHýDQGýQHJDWLYHýWHUPLQDOVïý 5HIHUýWRý)LJXUH ìéï
èï &RQQHFWýRQHýHQGýRIýDý5HGî:KLWHýWZLVWHGñýORRVHýZLUHýõSURYLGHGôýWRýWKHýEDWWHU\ýSRVLWLYHýõUHGý ZLUHôýDQGýQHJDWLYHýõZKLWHýZLUHôýWHUPLQDOVýDVýVKRZQýLQý)LJXUH ìéï
çï &RQQHFWýRQHýHQGýRIýWKHýJUHHQýORRVHýZLUHýõSURYLGHGôýWRýWKHýJURXQGýEXVýRQýWKHýORZHUýULJKWýVLGHýRIý WKHý836ïý5HIHUýWRý)LJXUH ìéï
DC Ground Fault Detector | 31 |