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Cable run through isolator/ contactor

Hi

Just looking peoples opinions on the following. I have a motor to connect via dol starter and plan to do as follows. Conduit dropping down from steel trunking to rotary isolator, out of bottom of isolator into top of dol starter. However as the motor is in an adjacent room, the supply from the contactor to the motor has to go back up into the trunking to get to it. I plan to run this cable back up out of the top of the contactor and through the isolator and up the same conduit as the supply cables. This would mean that the isolator is being used for ‘through wiring’ which has been frowned upon. I don’t really want to have to run a separate conduit out of the contactor back up into the trunking. Does anyone see a problem with this plan?

Thanks

Peter

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0 Baldyhugh over 5 years ago

Thanks for all replies. The isolator and contactor are in a plant room where the controls for most of the equipment are. The motor will be up at a height in an adjacent room and there is no suitable position adjacent to it to place the starter. I also intend to fit a separate isolator beside the motor for local isolation for maintenance purposes
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0 Baldyhugh over 5 years ago

Thanks for all replies. The isolator and contactor are in a plant room where the controls for most of the equipment are. The motor will be up at a height in an adjacent room and there is no suitable position adjacent to it to place the starter. I also intend to fit a separate isolator beside the motor for local isolation for maintenance purposes
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Cable run through isolator/ contactor

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