Dc wire gauge tables – Nortel Networks CALLPILOT 555-7101-217 User Manual
Page 44
Power supply installation
Standard 1.0
44
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. Cabinet and module ground wire specification is #10 AWG insulated
green safety ground wire.
2. Cabinet conduit can be 1.91 cm (0.75 in.) or 3.18 cm (1.25 in.), and must
be insulated from 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
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