Rockwell Automation Publication 2100-IN012G-EN-P - August 2016 43
Chapter 3
Installing Conduit and Cable
Installing Conduit
When installing conduit, make sure it is installed according to local codes - to
assure water and moisture cannot enter or accumulate in the MCC enclosure.
Conduit must be installed so they are compatible with the NEMA rating of the
MCC. Place the conduit away from the horizontal ground bus to avoid
damage. We recommend that the conduit be positioned to minimize cable
bending and maintain relative vertical alignment to incoming connections.
Bottom Entry Conduit
If your conduit is entering from the bottom, follow this procedure.
1. Prepare the installation site so the foundation is level.
2. Before the MCC is installed, place and stub up conduit approximately
2 in. (51 mm) above floor level, making sure all incoming conduit is
clear of the horizontal ground bus.
For approximate section base dimensions and ground bus locations, refer
to Installation Procedures, Chapter 2
, or elevation and floor plan
drawings shipped with MCC.
For approximate bottom entry locations and wiring schemes for main
fusible disconnects, main circuit breakers, and incoming line
compartments, refer to Mains and Incoming Lines Dimension
Reference, publication 2100-TD018
.
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