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Certified Electrician’s Instructions
How to Connect Mains and an Emergency
Power Off (EPO) Switch to the InfraStruXure
PDU
Connection to be performed by a licensed electrician only!
Procedures in this instruction sheet
The procedures in this sheet provide instruction for electricians on how to connect Mains conductors
to the Main Input switch and an Emergency Power Off switch to the PDU user connection plate.
Review the information provided in your InfraStruXure Configure-To-Order (CTO) report and
accompanying documentation for instructions specific to your installation, and always follow
national and local standards. Before an electrician begins connecting your system, an APC Field
Service Engineer must:
• Position and level the Symmetra PX UPS, InfraStruXure PDU, and, if applicable, the XR
Battery Enclosure.
• Exchange side panels and attach the Symmetra PX UPS, InfraStruXure PDU, and XR Battery
Enclosure.
• Connect the AC and DC power and control wiring.
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The following procedures require a licensed electrician:
• Connection of Mains conductors
• Installation of an upstream circuit breaker
• Connection to the Main Input switch
• Wiring under the floor
• Connecting an Emergency Power Off switch
Note
You can check for updates to this instruction sheet by clicking on the User Manuals
link on the Support page of the APC Web site (www.apc.com). In the list of
InfraStruXure manuals, look for the latest letter revision (A, B, etc.) of the part number
of this sheet.