Server Setup
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HP ProLiant DL145 Server User Guide
Power Requirements
The installation of this equipment shall be in accordance with local/regional electrical
regulations governing the installation of information technology equipment by licensed
electricians. This equipment is designed to operate in installations covered by NFPA 70, 1999
Edition (National Electric Code) and NFPA 75, 1992 Edition (code for Protection of
Electronic Computer/Data Processing Equipment). For electrical power ratings on options,
refer to the product rating label or the user documentation supplied with that option.
WARNING: To reduce the risk of personal injury, fire, or damage to the equipment, do
not overload the AC supply branch circuit that provides power to the rack. Consult the
electrical authority having jurisdiction over the wiring and installation requirements of
your facility.
CAUTION: Protect the server from power fluctuations and temporary interruptions with a
regulating uninterruptible power supply (UPS). This device protects the hardware from
damage caused by power surges and voltage spikes and keeps the system in operation
during a power failure.
When installing more than one server, you may need to use additional power distribution
devices to safely provide power to all devices. Observe the following guidelines:
•
The power load must be balanced between available AC supply branch circuits.
•
The overall system AC current load must not exceed 80 percent of the branch circuit AC
current rating.
•
Do not use common outlet strips for this equipment.
•
Provide a separate electrical circuit for the server.
Grounding Requirements
For proper operation and safety, the server must be properly grounded. In the United States,
you must install the equipment in accordance with NFPA 70, 1999 Edition (National Electric
Code) Article 250 as well as any local and regional building codes. In Canada, the equipment
must be installed in accordance with Canadian Standards Association, CSA C22.1, Canadian
Electrical Code. In all other countries, the installation must follow any regional or national
electrical wiring codes, such as the International Electrotechnical Commission (IEC) 364,
parts 1 through 7. Furthermore, you must ensure that all power distribution devices used in
the installation—such as branch wiring and receptacles—are listed or certified grounding-
type devices.
Because of the high ground leakage currents associated with multiple servers connected to the
same power source, HP recommends the use of a power distribution unit (PDU) that is either
permanently wired to the branch circuit of the building or includes a nondetachable cord that
is wired to an industrial-style plug. NEMA locking-style plugs or those complying with
IEC 60309 are considered suitable for this purpose. HP does not recommend using common
power outlet strips for this equipment.
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