220 volt oven

	220 volt oven

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Subject

Author

Date

220 volt oven

mrchips

12-27-2006

Pete C.

Nate Nagel

mrchips

Pete C.

Big Al

barry

Big Al

terry

Chris Friesen

Terry

Steve Barker LT

Don Klipstein

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Posted by mrchips on December 27, 2006, 8:06 pm

hi, i was at a friends for xmas dinner, he said he was having problems
with the stove. it wouldnt heat up.
and when you turned the oven dial up from 100 to 500 the kitchen
lighting would get brighter ??
the kitchen is on the left side of the house.all power on the sid eof
the house is acting wierd.
power on the right side seems to be fine.
i think that there is only 110 v coming into the panel, and the other
110v leg is dead. does this sound right?
we did not have a meter to check. the main breaker seems to be fine the
panel is fairly new not more than 10 years old.
it is in an industrial building, so we cannot acess the mechanical room
yet,but i think there will be a fused discconect switch in there.
am i on the right track??

Posted by Pete C. on December 27, 2006, 8:09 pm

mrchips wrote:

> hi, i was at a friends for xmas dinner, he said he was having problems

> with the stove. it wouldnt heat up.

> and when you turned the oven dial up from 100 to 500 the kitchen

> lighting would get brighter ??

> the kitchen is on the left side of the house.all power on the sid eof

> the house is acting wierd.

> power on the right side seems to be fine.

> i think that there is only 110 v coming into the panel, and the other

> 110v leg is dead. does this sound right?

> we did not have a meter to check. the main breaker seems to be fine the

> panel is fairly new not more than 10 years old.

> it is in an industrial building, so we cannot acess the mechanical room

> yet,but i think there will be a fused discconect switch in there.

> am i on the right track??

A bad neutral connection is usually the suspect with symptoms like that.
Could be a bad hot, but less likely. Certainly something is amiss and
most everything should be turned off until the problem is isolated and
fixed.

Pete C.

Posted by Nate Nagel on December 27, 2006, 8:53 pm

Pete C. wrote:

> mrchips wrote:

>>hi, i was at a friends for xmas dinner, he said he was having problems

>>with the stove. it wouldnt heat up.

>>and when you turned the oven dial up from 100 to 500 the kitchen

>>lighting would get brighter ??

>>the kitchen is on the left side of the house.all power on the sid eof

>>the house is acting wierd.

>>power on the right side seems to be fine.

>>i think that there is only 110 v coming into the panel, and the other

>>110v leg is dead. does this sound right?

>>we did not have a meter to check. the main breaker seems to be fine the

>>panel is fairly new not more than 10 years old.

>>it is in an industrial building, so we cannot acess the mechanical room

>>yet,but i think there will be a fused discconect switch in there.

>>am i on the right track??

> A bad neutral connection is usually the suspect with symptoms like that.

> Could be a bad hot, but less likely. Certainly something is amiss and

> most everything should be turned off until the problem is isolated and

> fixed.

> Pete C.

I agree, sounds like a bad neutral and should be addressed soon. Might
even be a problem with the service, not the house wiring - someone
should check it out though.

good luck,

nate

--
replace "fly" with "com" to reply.
http://home.comcast.net/~njnagel

Posted by mrchips on December 27, 2006, 9:46 pm

so its not a problem with one of the 2 110v phases?
Nate Nagel wrote:

> Pete C. wrote:

> > mrchips wrote:

> >

> >>hi, i was at a friends for xmas dinner, he said he was having problems

> >>with the stove. it wouldnt heat up.

> >>and when you turned the oven dial up from 100 to 500 the kitchen

> >>lighting would get brighter ??

> >>the kitchen is on the left side of the house.all power on the sid eof

> >>the house is acting wierd.

> >>power on the right side seems to be fine.

> >>i think that there is only 110 v coming into the panel, and the other

> >>110v leg is dead. does this sound right?

> >>we did not have a meter to check. the main breaker seems to be fine the

> >>panel is fairly new not more than 10 years old.

> >>it is in an industrial building, so we cannot acess the mechanical room

> >>yet,but i think there will be a fused discconect switch in there.

> >>am i on the right track??

> >

> > A bad neutral connection is usually the suspect with symptoms like that.

> > Could be a bad hot, but less likely. Certainly something is amiss and

> > most everything should be turned off until the problem is isolated and

> > fixed.

> >

> > Pete C.

> I agree, sounds like a bad neutral and should be addressed soon. Might

> even be a problem with the service, not the house wiring - someone

> should check it out though.

> good luck,

> nate

> --

> replace "fly" with "com" to reply.

> http://home.comcast.net/~njnagel

Posted by Pete C. on December 27, 2006, 10:07 pm

mrchips wrote:

> so its not a problem with one of the 2 110v phases?

Not impossible, but not likely given the symptoms. Usually when 240V
appliances are having that kind of effect on unrelated circuits and the
other circuits are not out entirely it's a problem with an open neutral.
With all 240V appliances off, if it was an open hot leg all the circuits
on that leg would be dead.

With an open neutral and 240V appliances off, the 120V appliances on
each leg attempt to balance out the voltage between then (a complex and
changing series - parallel arrangement) and you will get localized over
and under voltage conditions depending on the balance of what is on at
the time. Turning on 240V appliances tends to have fairly dramatic
effects since they bridge both hot legs and tend to be significant
loads.

This can be a dangerous situation both to appliances and to people. The
low voltage conditions can damage appliances with motors like
refrigerators and the high voltage conditions can of course damage many
appliances and can present shock hazards in some cases. Items expecting
to see 120V can end up seeing close to 240V depending on how loads
balance. Fortunately more and more electronic items are 120/240V auto
ranging so they are less likely to be damaged, that still won't save
your fridge compressor stalled out trying to run on 80V though.

Since you mention it's an industrial building, I'm suspecting something
like an old mill condo conversion? If so, this condition does warrant an
emergency call to building management / maintenance.

Pete C.

Page 1 of 3 1 2 3 > last >>

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