Which thickness CY cable do I need for 1.5kW spindle?

[Clive S]

Yes, of course. I have never claimed otherwise

I thought you claimed it here:-

It is thinner and lighter but it should be 1.5mm2. 0.75mm is OK for control signals but actually too thin for the power

Well you appear to have jumped on the op's post nearly 3 months after he last posted and muddied the waters quite well.

I think you need to take a good look at your own machine before nit picking others.
I will not be posting any more on this subject. So please lets not take any more space on his post.

By all means start one of your own.

[A_Camera]

I thought you claimed it here:-


Well you appear to have jumped on the op's post nearly 3 months after he last posted and muddied the waters quite well.

I think you need to take a good look at your own machine before nit picking others.
I will not be posting any more on this subject. So please lets not take any more space on his post.

By all means start one of your own.

Sorry for disturbing the peace, but the way I see it is that I was not the one throwing the mud. I made a short one line comment and not criticized you or anyone else, all I said was:

It is thinner and lighter but it should be 1.5mm2. 0.75mm is OK for control signals but actually too thin for the power.

Actually, going by the book (the manual of my VFD), even that statement is wrong because for the 1.5kW the cable should be 2.5mm2 but that is simply too thick and really over engineered, so 1.5mm2 is more realistic.

The thread would have been dead by now but apparently you, and some other people could not stay away from it, so it lives on. I don't mind that, but it would be more useful if people could keep their heads cool and would not throw mud just because I don't follow the stream and have a different opinion. I was also NOT nit picking on other people's machines, but you have to remember that this forum is visited by many total newbies who experience a lot of electrical issues. One way of helping is to give factual advice, not emotional.

BTW, Why are you saying that I need to take a good look at my own machine? I am looking at my machine, and regarding electrical installations, I am not only using several DVMs but also an oscilloscope, and in fact, occasionally two oscilloscopes at the same time. Apart from that, I am reading the manuals of every item that comes with a manual, not just guessing and go after what other people use or claim on the internet. Never the less, I could have missed something, so if you have found something wrong please let me know. I am in the process of upgrading and welcome all comments. I have no emotional attachments to my machine so I am ready to change almost anything if it is for the better.

You are though right about one thing, there is not much more to say about the subject, though it may pop up again, or someone might start a new thread with the same question...