User's Manual

2-2 Grounding and Surge Protection
411-1333-204.01.02 Preliminary March 1999
Figure 2-1
Typical Grounding configuration for Indoor Equipment
The single point ground (SPG) represents the connection of IBN to the
building grounding system.
Wire Gauge Guidelines
Main bonding conductors
All main bonding conductors in the equipment room shall be No. 2 AWG or
larger copper wires.
Other bonding conductors
All other bonding conductors in the room, including
• bonding individual frames/cabinets to the collector cable, supplementary
conductor or BPG
• bonding conductors of other metallic objects such as cable trays and
building utility equipment
are No. 6 AWG or larger insulated copper conductors.
SPG
Cabinet 1 Cabinet 2 Cabinet 3 Cabinet N
Mesh Connection
Collector Cable