Rockwell Automation Allen-Bradley CENTERLINE 2500, Instruction Manual

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1 Publication 2500-IN001A-EN-P—May 2006
Chapter
4
Installing Cable
Considerations for
Installing Cable
When installing cable, make sure that it is installed according to appropriate
codes and standards. Multi-conductor cables, cable trays, cable ducts and
conduit are all acceptable methods of routing cable to your MCC.
It is important that all cable is installed so that it is compatible with the
enclosure rating of the MCC. Cable entry and exit points must be properly
sealed to ensure that water and moisture cannot enter or accumulate inside the
enclosure.
Inside the MCC enclosure, cable should be routed away from the PE
conductor to avoid damage. Cable should be positioned so that bending is
minimized and relative vertical alignment to incoming connections is
maintained.
Refer to the documentation package shipped with your MCC for the following
information.
•
Approximate cable entry locations
•
Space availability for incoming cables
•
PE conductor locations
•
Wiring schemes for main fusible disconnects, main circuit breakers and
incoming line compartments.
Install cable when the temperature is above freezing (0°C); unless cable is
suitable for installation at temperatures below freezing. This will help prevent
cable insulation from cracking or splitting. Cable should be sized according to
appropriate codes and standards.
ATTENTION
Connect line and load cables to potentially avoid a bolted
fault and equipment damage.