Emerson Liebert NXL - Figure 12 Grounding Diagram-Three-Wire Single-Module Systems; Figure 13 Grounding Diagram-Three-Wire Multi-Module Systems

UPS Electrical Installation
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Figure 12 Grounding diagram—Three-wire single-module systems
Figure 13 Grounding diagram—Three-wire multi-module systems
UPS
Source
G
N
BPSS
N
G
To connect equipment
Switchgear
UPS #1
Source
G
N
N
G
UPS #2
N
G
UPS #3
N
G
To connect equipment
N
G
Note: Grounding for
1+N systems is wired
exactly the same