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No you can not mix voltages. That being said if the lower voltage is part of the control circuit from a MCC control centre then yes they can be mixed as the low voltage control is part of the complete system.

Composite power & control Teck 90 cable has the power feeders and usually 3/#12 or 3/#14 wires embedded in the same cable. These three wires allow for remote stop - start controls to be mounted neat the motor out in the field.

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9y ago

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Yes as long as the 120 volt control wires are insulated rated at 600 volts. The wiring also has to pertain to the control of the motor. For example a three wire stop - start station for remote operation of the motor can be run along side of the motor feeders. The motor feeders and control wires must all come out of the same MCC bucket. There is a composite cable on the market that is used for just this purpose. The cable has the three motor feeders and three #14 or #12 control wires and a ground all in the same cable sheath.

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Wiki User

11y ago
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No this is a very bad idea.

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Wiki User

11y ago
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Yes, not common practice though.

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Anonymous

4y ago
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Q: Can 120v and 277v be in the same conduit?
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