What size cable do I need? | Page 13 | on ElectriciansForums

Discuss What size cable do I need? in the Commercial Electrical Advice area at ElectriciansForums.net

By the way did I mention that I have already connected probably over 10 machines for the same factory. Ranging from 2.5mm cable up to 25mm cable. Some machines are same physical size as this one that I was going to do and they do the same work. The only time they called back was when a machine was tripping. I set overload at 7kw. The motor rating was 7. So I changed the overload to 4-10kw and adjusted it to tiny bit over 7 which fixed the problem. All this was done over the last 5-6 years. I've also done conveyer belts. Forklift chargers. A few of the bigger machines I've done cost them around a million each.

I thought you said earlier that you had not done this type of work before, never done the calcs and didn't have a clue.
Do try to be more consistent.
 

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