ClipperCreek HCS User Manual page 21

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