Figure 8 Grounding Diagram, Four-Wire Single-Module System; Figure 9 Grounding Diagram, Three-Wire Multi-Module System - Liebert NXL Installation Manual

Figure 8 Grounding diagram, four-wire single-module system
Source
N
G
Figure 9 Grounding diagram, three-wire multi-module system
Source
N
G
Grounding for 1+N
systems is wired
exactly the same.
UPS
BPSS
UPS #1
N
G
UPS #2
N
G
UPS #3
N
G
17
UPS Electrical Installation
N
G
Switchgear
N
G