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2.7
System Ground Connections,
Grounding
considerations,
continued
Cabinet ground
connections
10/01
Table 2-8 – System grounding considerations (continued)
Step
Firmly tighten all screws on FSC-SMM module front plates and
4
Central Part coverplates.
Consult IEEE Standard 518-1977, the National Electric Code, and
5
Subsections 2.4 and 2.5 of this document before wiring the system
components.
Figure 2-5 illustrates a typical power and ground connections layout for an
FSC Safety Manager cabinet.
Ground wires from all mechanical parts and every backplane in the cabinet
are collected at a bus bar located at the bottom of the cabinet. This bus bar
must be connected to building safety ground with a 2.5 mm² (AWG 14)
wire in conduit or a 25 mm² (AWG 4) wire without conduit. Each cabinet
must be connected individually to building safety ground and not
daisy-chained with other cabinets or equipment.
FSC Safety Manager Installation Guide
Continued
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37
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