Definitions Of Safety Warning Levels - Juniper EX2200 Series Hardware Manual

Complete Hardware Guide for EX2200 Ethernet Switches
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Definitions of Safety Warning Levels

156
Never install electrical jacks in wet locations unless the jacks are specifically designed
for wet environments.
Operate the device only when it is properly grounded.
Ensure that the separate protective earthing terminal provided on this device is
permanently connected to earth.
Replace fuses only with fuses of the same type and rating.
Do not open or remove chassis covers or sheet-metal parts unless instructions are
provided in the hardware documentation for this device. Such an action could cause
severe electrical shock.
Do not push or force any objects through any opening in the chassis frame. Such an
action could result in electrical shock or fire.
Avoid spilling liquid onto the chassis or onto any device component. Such an action
could cause electrical shock or damage the device.
Avoid touching uninsulated electrical wires or terminals that have not been
disconnected from their power source. Such an action could cause electrical shock.
Always ensure that all modules, power supplies, and cover panels are fully inserted
and that the installation screws are fully tightened.
AC Power Electrical Safety Guidelines on page 182
DC Power Electrical Safety Guidelines on page 184
General Electrical Safety Guidelines and Warnings on page 179
Maintenance and Operational Safety Guidelines and Warnings on page 172
Installation Instructions Warning on page 165
Grounded Equipment Warning on page 172
This topic applies to hardware devices in the EX Series product family, which includes
switches and the XRE200 External Routing Engine.
This topic also applies to hardware devices in the QFX Series.
The documentation uses the following levels of safety warnings (there are two "Warning"
formats):
NOTE: You might find this information helpful in a particular situation, or you
might overlook this important information if it was not highlighted in a Note.
Copyright © 2011, Juniper Networks, Inc.