
Page 11
SE-134C Ground-Fault Ground-Check Monitor
Rev.
0
Pub. SE-134C-M, December 16, 2009.
NOTES:
1.
THE PARALLEL-PATH ISOLATOR IS NOT POLARIZED. EITHER FLANGE CAN BE
CONNECTED TO CHASSIS.
2.
THE OUTGOING GROUND MUST BE ISOLATED FROM THE CHASSIS GROUND BUS.
IF A FLANGE-MOUNTED RECEPTACLE IS USED, VERIFY THAT THE FLANGE IS ISOLATED
FROM THE GROUND PIN, AND
- USE A MATING PLUG WITH A NON-METALLIC HOUSING, OR
- ISOLATE THE FLANGE FROM THE CHASSIS IF THE MATING PLUG HAS A
METALLIC HOUSING.
3.
CABLE PLUGS AND RECEPTACLES WITH GROUNDED METAL HOUSINGS MUST BE
ISOLATED FROM EARTH TO PREVENT PARALLEL GROUND PATHS.
OUTGOING
OUTGOING
GROUND CHECK
GROUND
GC
G
PPI-600V
CHASSIS GROUND BUS
CABLE
GROUND
G
GROUND
CHECK
GC
GROUND CHECK MONITOR
SE-105, SE-107, SE-134C, OR SE-135
INCOMING
GROUND
FIGURE 9. PPI-600V Typical Installation.