• 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.
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
Warning
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 the following figure.
Figure 3: Crimping the Ring Terminal
Step 4 Slide the ground screw through the terminal.
Step 5 Insert the ground screw into the functional ground screw opening on the front panel.
Step 6 Attach the ring terminal to the chassis using the screw set aside in step 1. Use a ratcheting torque screwdriver to tighten
the ground screws and ring terminal to the device front panel to 3.5 in-lb (0.4 N-m). See the following figure.
Installing the Cisco ISA 3000 Industrial Security Appliance
5
Installing the Cisco ISA 3000 Industrial Security Appliance
Installing the Cisco ISA 3000 Ground Connection
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