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hi all,
        recently we renovated our kitchen and when the electrician went to
remove the stove it had 4 wires i guess the colours were red, black and
green (i think) however there was another wire connected to it but i cant
remember what colour it was any ideas on what colour if so why the extra
wire???  any comments appreciated

Matt



Re: stove


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Does the stove use a 3 phase power supply, thats usually what 4 wires
mean.
--

Wing Wong.

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Did the stove have power points on it? May have been a second supply for
that. Sparky could tell you when he re-wires the new one.....

Ken



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Well it wasnt 3 phase wiring, all i saw him do was move the stove out and
disconnected it and i saw the 4 wires i know our hot water service has 4
wires connect to that as well

matt

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On ordinary domestic stoves, its usual to have provision for a second
phase (assuming that the house HAS a second phase available) to lessen
the amp load per phase.  It seemed to be more common prior to the
1980's to have 2 phase mains to homes.  (and I think it was mandatory
if you had more than a certain number of power points in QLD)

In single phase premises - these 2 actives are simply joined together
in the stove's terminal box, and run from the one 240v supply, just
like any other appliance.

Note that the elements will be the normal 240v, not 415v.  typically 2
of the 4 hotplates and the grill will be on one Active and the other 2
and the oven will be on the other Active.  (No elements are connected
directly ACROSS the 2 phases)

In some stoves, if there isnt the second phase connected, there may be
limits to how many of the stoves elements you are allowed to have on
at once (to keep the maximum current down)






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JJ is right Ranges used 2 phase power. It was not that it required 415
volt. But the oven and elements (hotplates/griller) each were about 15
amp.  Given a house had 2 power and lighting that a lot of current. In
older homes power use 7/.029 wiring (bare earth) and not 2.5mm. Now it
would be on a 15 or 20 amp circuit.  Buy the way the old one will work
on single phase with heaver wiring.


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Thanks for the replys now i understand why it is so shame theres no
homepages explaining what u guys have all said shame there isnt a homepage
explaining that in plain english :)


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What is the difference between 7.029 and 2.5mm earth ?? (Apart from being
covered).

--
Regards ......... Rheilly Phoull



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