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United States—National Fire Protection Association (NFPA70), United States
National Electrical Code.
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Other countries—International Electromechanical Commission (IEC) 60364, Part 1
through Part 7.
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Evaluated to the TN power system.
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Canada—Canadian Electrical Code, Part 1, CSA C22.1.
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Locate the emergency power-off switch for the room in which you are working so that
if an electrical accident occurs, you can quickly turn off the power.
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Make sure that grounding surfaces are cleaned and brought to a bright finish before
grounding connections are made.
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Donotworkaloneifpotentiallyhazardousconditionsexistanywhereinyourworkspace.
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Neverassumethatpowerisdisconnectedfromacircuit.Alwayscheckthecircuitbefore
starting to work.
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Carefullylookfor possible hazardsin your workarea,such asmoist floors,ungrounded
power extension cords, and missing safety grounds.
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Operate the device within marked electrical ratings and product usage instructions.
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To ensure that the device and peripheral equipment function safely and correctly, use
the cablesand connectorsspecified forthe attachedperipheralequipment, and make
certain they are in good condition.
You can remove and replace many device components without powering off or
disconnectingpowertothedevice,asdetailedelsewhereinthehardwaredocumentation
for this device. Never install equipment if it appears damaged.
Related
Documentation
General Safety Guidelines and Warnings for EX Series Switches on page 113•
• AC Power Electrical Safety Guidelines for EX Series Switches on page 144
• DC Power Electrical Safety Guidelines for EX Series Switches
Prevention of Electrostatic Discharge Damage on EX Series Switches
This topic applies to hardware devices in the EX Series product family, which includes
switches and the XRE200 External Routing Engine.
Device components that are shipped in antistatic bags are sensitive to damage from
static electricity. Some components can be impaired by voltages as low as 30 V.You
can easily generate potentially damaging static voltages whenever you handle plastic
or foam packing material or if you move components across plastic or carpets. Observe
the following guidelines to minimize the potential for electrostatic discharge (ESD)
damage, which can cause intermittent or complete component failures:
Copyright ©2010,Juniper Networks,Inc.142
CompleteHardwareGuide forEX2200 EthernetSwitches