Install and Connect SCC1 (Single-Carrier Cabinets)
Task List: Connect the cabinet grounds on the J58890R DC Power Cabinet and the Single-Carrier Cabinets
SI Installation and Upgrades
373
June 2004
Figure 112: DC Power Distribution Unit Ground
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Connect Single-Carrier Cabinet Ground
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1
Measure and cut a length of 4 AWG (#5) (21 mm
2
) wire long enough to reach between the
GROUND DISCHARGE bar on the DC Power Cabinet and the single-point ground block on the
Control Cabinet (bottom cabinet in
Figure 113, Single-Carrier Cabinet Ground,
on page 374).
2
At the DC Power Cabinet, connect the 4 AWG (#5) (21 mm
2
) wire to the GROUND
DISCHARGE bar.
3
Route the wire to Control Cabinet and connect to the single-point ground block.
4
Repeat for each Control Cabinet in the system room (duplicated Control Cabinet and Expansion
Control Cabinet).
j58890r1 RBP 042296
Figure notes
1
DC Power Cabinet
2
DC Power Distribution Unit
3
Ground Discharge Bar
4
4 AWG (#5) (21 mm
2
) Wire
5
GRD Connector Terminal on DC Power Distribution
Unit
6
To Additional DC Power Distribution Units (if
required)
