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This chapter describes how to install and connect the ground source to the
Option 11C cabinets. This chapter contains the following procedures:
• Procedure 7, "Grounding the cabinets" on page 114
• Procedure 8, "Earthing the cabinets (UK)" on page 118
Note: System ground is synonymous with system earth in the UK.
Make sure you read, "Grounding requirements" on page 39, before
proceeding further.
Proper grounding is extremely important.
Failure to complete the following steps could result in a system that is:
• unsafe for personnel using the equipment
• not protected from lighting or power surges
• subject to service interruptions.
Insulated ground wire must be used for system grounding.
For each system cabinet in collocated multi-cabinet situations, a #6 AWG
(#40 Metric Wire Gauge) ground wire is connected from the cabinet to an
NTBK80 ground bar. The ground bar is in turn connected to a ground source
(the ground bus in the AC service panel).
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