CHAPTER 15
Power and Electrical Safety Information
•
General Electrical Safety Guidelines and Warnings on page 119
•
Prevention of Electrostatic Discharge Damage on page 120
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AC Power Electrical Safety Guidelines on page 122
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AC Power Disconnection Warning on page 124
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DC Power Electrical Safety Guidelines on page 125
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DC Power Disconnection Warning on page 127
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DC Power Grounding Requirements and Warning on page 129
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DC Power Wiring Sequence Warning on page 130
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DC Power Wiring Terminations Warning on page 131
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Multiple Power Supplies Disconnection Warning on page 133
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TN Power Warning on page 133
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Action to Take After an Electrical Accident on page 134
General Electrical Safety Guidelines and Warnings
This topic applies to hardware devices in the EX Series product family, which includes
switches, the EX Series Redundant Power System (RPS), and the XRE200 External
Routing Engine.
This topic also applies to hardware devices in the QFX Series.
WARNING: Certain ports on the device are designed for use as intrabuilding
(within-the-building) interfaces only (Type 2 or Type 4 ports as described in
GR-1089-CORE) and require isolation from the exposed outside plant (OSP)
cabling. To comply with NEBS requirements and protect against lightning
surges and commercial power disturbances, the intrabuilding ports must not
be metallically connected to interfaces that connect to the OSP or its wiring.
The intrabuilding ports on the device are suitable for connection to
intrabuilding or unexposed wiring or cabling only. The addition of primary
protectors is not sufficient protection for connecting these interfaces
metallically to OSP wiring.
119Copyright © 2014, Juniper Networks, Inc.
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