HCS-D User Manual
18
The following diagrams illustrate the three service transformer
secondary connections most common in North America.
Figure 3: 208V 3-Phase, Wye-Connected
L3 (NOT USED)
L2
L1
GROUND
NEUTRAL
(NOT USED)
120V
208V
120V
L1
L2
NEUTRAL
120V
120V
GROUND
(NOT USED)
240V
Figure 2: 220/240V Single Phase