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Do power wires need to be installed in separate conduits for AC drives?

Published date: 25 June 2019

Issue:
Do power wires need to be installed in separate conduits for AC drives?

Product Line:
Altivar drives

Environment:
All

Cause:
Installation

Resolution:
Good wiring practice requires the separation of control wiring from power wiring. Power wiring to the motor must have the maximum possible separation from all other power wiring, whether from the same drive controller or other drive controllers. Do not run power and control wiring, or multiple power wiring, in the same conduit. This separation reduces the possibility of coupling electrical transients from power circuits into control circuits or from motor power wiring into other power circuits.
Use of special shielded cables does not reduce or eliminate the need for cable separation.
Please refer to the installation documents for more information.

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