• 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.
RELATED DOCUMENTATION
Definitions of Safety Warning Levels | 21
Fire Safety Requirements | 23
Qualified Personnel Warning | 24
Warning Statement for Norway and Sweden | 25
Definitions of Safety Warning Levels
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.
21