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Cisco ISA 3000 Industrial Security Appliance Hardware Installation Guide
Chapter 2 Installing the Cisco ISA 3000 Industrial Security Appliance
Installing the Cisco ISA 3000
Installing the Cisco ISA 3000 Ground Connection
The device must be connected to a reliable earth ground. Install the ground wire in accordance with local
electrical safety standards.
•
For NEC-compliant grounding, use size 14 AWG (2 mm2) or larger copper wire and a ring terminal
with an inner diameter of 1/4 in. (5 to 7 mm).
•
The ground lug is not supplied with the device. You can use either a single ring terminal or two
single ring terminals.
Warning
This equipment needs to be grounded. Use a green and yellow 14 to 16 AWG ground wire to
connect the host to earth ground during normal use.
Statement 242
Warning
This equipment must be grounded. Never defeat the ground conductor or operate the equipment
in the absence of a suitably installed ground conductor. Contact the appropriate electrical
inspection authority or an electrician if you are uncertain that suitable grounding is available.
Statement 1024
Warning
When installing or replacing the unit, the ground connection must always be made first and
disconnected last.
Statement 1046
To install the ground connection, follow these steps:
Step 1
Use a standard Phillips screwdriver or a ratcheting torque screwdriver with a Phillips head to remove the
ground screw from the front panel of the device.
Store the ground screw for later use.
Step 2
Use a wire stripping tool to strip the 14-to-16 AWG grounding wire to 0.22 in. (5.56 mm).
Step 3
Crimp the ground wire to the ring terminal using the wire crimper. See
Figure 2-3
.
Figure 2-3
Crimping the Ring Terminal
Step 4
Slide the ground screw through the terminal.
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