Cisco Firepower 9300 - Ground the Chassis

Ground the Chassis
Grounding the chassis is required, even if the rack is already grounded. A grounding pad with two threaded
M4 holes is provided on the chassis for attaching a grounding lug. The grounding lug must be Nationally
Recognized Testing Laboratory (NRTL)-listed. In addition, a copper conductor (wires) must be used and the
copper conductor must comply with National Electrical Code (NEC) code for ampacity.
Note
You need the following items that you provide:
• Wire-striping tool
• Crimping tool
• Grounding cable
• Two star lock washers for the 10-32 x 0.375-inch screws used to secure the ground lug
• You need the following items from the accessory kit:
• Grounding lug #6 AWG, 90 degree, #10 post
• Two 10-32 x 0.375-inch screws used to secure the grounding lug
Safety Warnings
Take note of the following warnings:
Statement 1024—Ground Conductor
This equipment must be grounded. To reduce the risk of electric shock, 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.
Warning
Statement 1046—Installing or Replacing the Unit
To reduce risk of electric shock, when installing or replacing the unit, the ground connection must always
be made first and disconnected last.
Warning
Statement 1025—Use Copper Conductors Only
To reduce risk of fire, use copper conductors only.
Warning
Step 1 Use a wire-stripping tool to remove approximately 0.75 inches (19 mm) of the covering from the end of the grounding
cable.
Cisco Firepower 9300 Hardware Installation Guide
56
Rack-Mount and Ground the Chassis
Ground the Chassis