Nortel Networks 1000E User Manual

Page of 490
 Installing system grounds
 Page 93 of 488
Communication Server 1000E
Installation and Configuration
Follow Procedure 6 to install a ground bar. 
Procedure 6
Installing an NTBK80 Ground Bar
1
Place the ground bar near the equipment. 
Note: The ground bar is a bridging point for ground wires from up to 
six components.
2
Connect the ground bar to the ground bus in the AC electrical panel using 
#6 AWG wire. See Table 12 on 
 for region-specific grounding 
requirements. 
3
Place a tag marked DO NOT DISCONNECT on the ground wire at the 
electrical panel.
4
Test the ground
 for the NTBK80 Ground Bar
WARNING
A qualified technician or electrician must make the 
connection in the AC electrical panel.
Table 12
Region-specific grounding wire requirements
Region
Grounding wire requirements
Germany
#8 AWG  (8.36 mm
2
) green/yellow 
wire
Other regions in Europe
not smaller than #6 AWG 
(13.3 mm
2
) at any point 
UK
two green/yellow wires no thinner 
than two 10 mm