HCS User Manual
21
Figure 3: 208V 3-Phase, Wye-Connected
L3 (NOT USED)
L2
L1
GROUND
NEUTRAL
(NOT USED)
120V 208V
120V
The following diagrams illustrate the three service transformer
secondary connections most common in North America.
L1
L2
NEUTRAL
120
V
120V
GROUND
(NOT USED)
240V
Figure 2: 220/240V Single Phase
