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Page 116 of 436
NN43021-310
Standard 06.01
Installing DC power
Note 1: The frame ground collector cable is normally sized according to
its length (distance between the main DC distribution cabinet and the
FGB or BPG) as well as the maximum fuse or circuit breaker size that
can be provided in the power plant. See Table 3 for the recommended
cable size for the Candeo power system.
Note 2: The frame ground drop into the Candeo frame must be the same
size as the frame ground collector. The frame ground drop into battery
stands, racks or stacks is usually #6 AWG.
Table 3
Recommended cable size for the frame ground collector
Cable length
0 to 6 m (0 to 20 ft)
6 to 12 m (20 to 40 ft)
12 to 24 m (40 to 80 ft)
24 to 50 m (80 to 160 ft)
Table 4
Torque values for bolted connections (Part 1 of 2)
Bolt size
#8
#10
6 mm (1/4 in.)
8 mm (5/16 in.)
9.5 mm (3/8 in.)
March 2013
(see notes 1 and 2 above)
Threads/inch
Torque (in.-lb)
32
36
24
32
20
28
18
20
16
24
Recommended size
#2 AWG
#0 AWG
#0000 AWG
#500 kcmil
Tension (lb)
18
20
23
32
80
100
140
150
250
275
625
685
705
940
1840
2200
2540
2620
3740
3950
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