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Spudmiester

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Here's one chaps,

I was talking to a bloke the other day who claimed it was ok to have 415v AC and 24v DC running through the same cable (2.5,7 core) at the same time.
This was for a 3ph motor, with the 24v being for an early break control through a 4th pole in the isolator, and back to the contactor coil.
He has an NIC ticket on the job, so says its definitely ok.

Now, when I was at the water board, we had it drummed into us that this was a no no. They wouldnt even let us put mixed voltage cables in the same ducting.

All this was under the 16th edition by the way, and I want to know who is right, and has it changed under the 17th ?

Am hoping those with more regs know-how than me can help !

Will leave it with you , off for a curry and some beer !
 
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wattsup

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spark-doctor

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Spudmiester

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