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DC rack cabling 37
Length #10 AWG #8 AWG #6 AWG
Junction
box #4
AWG
Junction
box #4
AWG
0-210 m (700 ft)
no no no no yes
Over 210 m (700 ft)
no no no no no
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.
Metric wire conversion
AWG No.
Industry standard
nominal (sq mm)
Resistance at 20 C
(Ohm/100 m)
2 35 0.05
4 25 0.08
6 16 0.13
8 10 0.20
10 6 0.33
12 4 0.63
14 2.5 1.00
16 1.5 1.40
18 1 2.00
20 0.75 2.90
22 0.5 4.60
DC rack cabling
The following photograph shows typical rack power cabling:
Nortel CallPilot
1002rp Server Hardware Installation
NN44200-300 01.01 Standard
5.0 23 February 2007
Copyright © 2007, Nortel Networks Nortel Networks Confidential
.