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A readily accessible two-poled disconnect device must be incorporated in the fixed wiring.
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You are in a situation that could cause bodily injury. Before you work on any equipment, be aware of
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the hazards involved with electrical circuitry and be familiar with standard practices for preventing
accidents.
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Never install telephone wiring during an electrical storm.
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Do not reach into a vacant slot or chassis while you install or remove a card, a module, or a fan.
Exposed circuitry could constitute an energy hazard.
Blank faceplates and cover panels serve three important functions: they prevent exposure to
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hazardous voltages and currents inside the chassis; they contain electromagnetic interference (EMI)
that might disrupt other equipment; and they direct the flow of cooling air through the chassis. Do not
operate the system unless all cards, faceplates, front covers, and rear covers are in place.
Never defeat the ground conductor or operate the equipment in the absence of a suitably installed
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ground conductor. Contact the appropriate electrical inspection authority or an electrician if you are
uncertain that suitable grounding is available.
When installing the unit, the ground connection must always be made first and disconnected last.
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For personal safety, the ground wire must connect to safety (earth) ground at both the equipment and
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supply side of the DC wiring (unless the local electrical code requirements are different).
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This equipment needs to be grounded. Use a green and yellow 12 to 14 AWG ground wire to connect
the host to earth ground during normal use.
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Incorrect connection of this or connected equipment to a general purpose outlet could result in a
hazardous situation.
Read the installation instructions before you connect the system to its power source.
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Do not work on the system or connect or disconnect cables during periods of lightning activity.
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OL-2186-01
General Safety Precautions and Maintenance Guidelines
General Safety Precautions
7
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