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power feed for miller

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larry phelan 115/08/2020 12:58:17
1172 forum posts
15 photos

Good morning all,

I am about to fit a power feed unit to my milling machine.

The unit comes with a 110V plug unsuitable for our system, so needs to be replaced. The wires are black white green.

Which is the live, white or black ?

I suspect it is white, but just to be sure I decided to check

Thanks for your help [always available ]indecision

John Haine15/08/2020 13:09:27
4644 forum posts
273 photos

Umm... If it's a 110V plug, is a 110V motor? If so it might not be a good idea to just put a new plug on it, you would need a transformer too...

DC31k15/08/2020 13:17:17
662 forum posts
2 photos

If it is AC, it does not matter which you connect to live or neutral, but US wiring uses black for live.


As John says, you need a transformer. A standard yellow building site one is cheap.

Bryan Cedar 115/08/2020 13:23:32
98 forum posts
4 photos

You talk of two connections, do not forget the earth!

larry phelan 115/08/2020 16:58:01
1172 forum posts
15 photos

Yes John, it is a 110v motor, was ordered as such, so was fitted with a 110v moulded plug, just not the type we use., that,s why a new one has to be fitted. and I do have a transformer.

Bryan, I did notice the earth connection, I,m not that brave. I dont take chances, even with 110 v !

Thanks to all

Michael Gilligan15/08/2020 17:54:29
20113 forum posts
1044 photos

It’s a lazy and extravagant option, but adaptor leads are available to suit the yellow ‘site’ transformers:

A google search for :

iec 110v plug to american

should find one for around £25

That said, it’s only a five minute job to put an IEC plug on the lead.


Meunier15/08/2020 20:22:54
448 forum posts
8 photos

I'm resisting the temptation, I really am trying, to enquire if that will need 'Arctic' cabling ? Oh, weak-willed again.......

Paul Kemp16/08/2020 00:42:41
710 forum posts
27 photos

I think it might need tropical cable at present or even sub sea cable depending on your location......... In fact an adaptor lead may be a very good suggestion, could have one for all seasons!

I'll get my coat,


larry phelan 116/08/2020 10:05:33
1172 forum posts
15 photos

Maybe I should just go back to spinning the hand wheels ?frown

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