Power Requirements; Grounding Requirements - Compaq ProLiant ML350 G2 Tower-To-Rack Conversion Manual

2-4 Compaq ProLiant ML350 Generation 2 Tower-to-Rack Conversion Guide

Power Requirements

Grounding Requirements

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 electric authority having jurisdiction over your facility
wiring and installation requirements.
The installation of this equipment shall be in accordance with local/regional
electric regulations governing the installation of information technology
equipment by licensed electricians. This equipment is designed to operate in
installations covered by NFPA 70-1999 (National Electric Code) and
NFPA-75, 1992 (code for Protection of Electronic Computer/Data Processing
Equipment). For electric power ratings on options, refer to the product rating
label or user documentation supplied with that option.
When installing more than one server, it may be necessary to utilize additional
power distribution devices to safely provide power to all devices.
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Balance the power load between available AC supply branch circuits.
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The overall system AC current load must not exceed 80 percent of the
AC supply branch circuit current rating.
To ensure proper operation and safety, the server must be properly grounded
(earthed). In the United States, install the equipment in accordance with NFPA
70-1999 (National Electric Code) Article 250 as well as any local and regional
building codes. In Canada, install the equipment in accordance with Canadian
Standards Association, CSA C22.1, Canadian Electric Code. In all other
countries, follow any regional or national electric 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, Compaq recommends the use of a power
distribution unit (PDU) that is either permanently wired to the building branch
circuit or is provided with 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. Compaq does not recommend
using common power outlet strips for this equipment.