For three-phase power, enter data only in the P1 column.
2. Place each label on the rear cabinet sidewall for side A and B.
Figure 8 PDU label , single-phase and three-phase
3. For third-party racks, do one of the following:
l
For three-phase power: Using plastic ties, attach the PDU connection tag to
the main AC power cable connected to zone A and B. Place the label close to
the plug but on the side of the rack where it will not interfere with any rails.
l
For single-phase power: Using plastic ties, attach the PDU connection tag to
the P1 AC power cable connected to zone A and B. Place the label close to
the plug but on the side of the rack where it will not interfere with any rails.
Ground the cabinet
Equipment correctly installed within the cabinet is grounded through the AC power
cables and connectors. In general, supplemental grounding is not required.
If your site requires external grounding (for example, to a common grounding network
beneath the site floor), you can use the grounding lugs provided on each of the
cabinet’s bottom supports.
Best Practices Guide for AC Power Connections
Applying PDU labels 25
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