Nortel Networks 1002rp User Manual

Page of 86
Power supply installation
Standard 1.07
50
CallPilot
DC wire gauge tables
Introduction
The tables in this section specify the DC power feed wire requirements.
Cabinet and module DC feed recommended wire gauge 
specifications
Notes: 
1. The cabinet and module ground wire specification is #10 AWG insulated 
green safety ground wire.
2. The cabinet conduit can be 19.1 mm (0.75-in.) or 31.8 mm (1.25-in.), 
and must be insulated from the cabinet ground.
Length
#10 AWG #8 AWG
#6 AWG
Junction 
box #4 
AWG
Junction 
box #4 
AWG
0–30 m (100 ft)
yes
yes
yes
yes
yes
0–45 m (150 ft)
no
yes
yes
yes
yes
0–75 m (250 ft)
no
no
yes
yes
yes
0–135 m (450 ft)
no
no
no
yes
yes
0–210  m  (700  ft)
no
no
no
no
yes
Over  210  m  (700  ft) no
no
no
no
no