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Jimmy Wilkinson Knife Jimmy Wilkinson Knife is offline
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Default Why are motors not current limited?

On Wed, 25 Apr 2018 00:16:02 +0100, trader_4 wrote:

On Tuesday, April 24, 2018 at 1:21:22 PM UTC-4, Clare Snyder wrote:
On Tue, 24 Apr 2018 15:07:32 -0000 (UTC), Wayne Boatwright
wrote:


I'm tired of arguing over this. The 240V wiring in our houses is
prdominately for electric ranges and electric dryers. The 120V
wiring throughout the rest of our houses would not support 240V.

Yes it would. Is it not true that you have double outlets with
120V on each, where neutral to each is actually the centre tap,
and the live to each is opposite ends of the 240V? So you could
remove the neutral and make a 240V outlet right there.

No, it would not. The guage of wire for 120V outlets is lighter
weight and not meant for 240V. 240V outlets have substantially
heavier guage wire.


Wile it is true that we typically have double outlets, both outlets
are fed by a single pair wires coming into the box. There are some
exceptions where there are two pairs of wires, each connected to one
of the outlets. This is usually done so that one outlet can be
controlled by a switch and the other is not, and each is often
connected to a separate circuit. The double outlets are usually
manufactured with copper bands joining the two connecting points on
the sockets. This blows your theory right out of the water. You
obviously don't have a clue asa to how our system works, whether or
not you like the way it works.

Okay, I'm done here!!! Bye...

Thus, every houses would have to be completely rewired and either
additional or replacement power panels would have to be installed
to support 240V for the entire house, not just for the range and
dryer. It's not cheap to completely rewire a house or change out
the power panel. All outlets and switches would also have to be
replaced because they're not rated for 240V. Since I doubt that
you have any intention of moving here, it's rather a moot point.
Nuff said!

As I said before it can be a gradual process. Just like electric
cars and electric charging points, we don't change over from
petrol overnight.



I'm sick of this wilkinson idiot .

However - a small clarification.

Up here in Casnada (and I know from previous discussions on this group
) and some places in the USA an "edison circuit" is used to provide a
"split" receptacle -2 15 amp circuits on a duplex outlet using a
single 3 wire conductor. This used to be a REQUIREMENT under Canadian
code for kitchen countertop outlets.

So yes, you COULD theoretically get 240 to a FEW outlets without
re-wiring totally.

Also, the insulation on all CSA approved premise wiring in Canada is
rated for a minimum 300 volts - so you COULD put 240 volt 15 amp to
every outlet and device in the house - BUT the switches and devices
would alkl need tobe changed - and to use the British style outlets
all the boxes in the wall would need to be changed because they are
not big enough to handle the brit ****.

Much simpler to do what much of the rest of the 240 volt world has
done, and adopt the north american style of wiring, adapting it to
240.

The big thing is it would be HELLISHLY EXPENSIVE to do it, and you
would have ALL KINDS of troubles with incompatabilities - and all for
what benefit???????


It would make JWS happy.


KISS.

--
Flabbergasted (adj.), appalled over how much weight you have gained.