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18 Configuring Your Neutral and Ground Connections
7.4 Grounding Configurations, Battery Systems
Figure 6 Battery Cabinet Grounding Configuration
Large, open-rack battery systems are normally either locally grounded or left ungrounded,
depending on local code requirements.
Battery cabinet systems, on the other hand, should be grounded to the UPS module ground bus.
The figure above illustrates how a simple one-cabinet system would be grounded. For systems
with multiple cabinets, the same configuration would apply. However, for simplicity the installer
can connect all the battery cabinet grounds for a particular module together and run a single
ground conductor to that UPS module ground.