6
CURRENT TECHNOLOGY
®
PX3
TM
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
Figures 1-4 show the electrical relationship between the PX3 and these four
basic service configurations: WYE, DELTA, High-Leg DELTA and SPLIT-PHASE .
Service Configurations
N B
A
C
B
A
C
PX3
PANELBOARD
N
G
N A B C G
B
N
C
A
N
G
Xo BOND
EARTH
GROUND
C
B
A
N
G
PX3
PANELBOARD
G
A B C G
G
EARTH
GROUND
C
A
B
C
B
A
G
N B
A
C
B
A
C
PX3
PANELBOARD
N
G
N A B C G
B
N
C
A
N
G
Xo BOND
EARTH
GROUND
C
B
A
N
G
PX3
PANELBOARD
G
A B C G
G
EARTH
GROUND
C
A
B
C
B
A
G
tnbpowersolutions.com/current_technology
Figure 2
3-Phase, 3-Wire Delta
Figure 1
3-Phase, 4-Wire Wye
