Figure 8 Grounding Diagram, A/B or G/H UPS Models, 1+1 Configuration
A/B CONFIGURATION
4W+G
3W+G | Y |
N
G
4W+G
A/B CONFIGURATION
4W+G
4W+G
3W+G | Y |
N
G
SYSTEM PARALLELING CABINET
3 OR 4W+G
CRITICAL
LOAD
N
G
7.5Grounding for A/B or G/H UPS Models, 1+1 Configuration
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18 Configuring Your Neutral and Ground Connections