micky wrote on 23/07/2015 :
In alt.home.repair, on Wed, 22 Jul 2015 19:25:51 -0700 (PDT), Pavel314
wrote:

The light bulb in our electric oven worked for a long time without problems;
I can't remember the last time I changed it until recently. When it burned
out a few weeks ago, I tried to unscrew it but the glass bulb came off of
the metal base. I had to use a piece of wood to jam into the base and turn
it for removal.

The new bulb lasted a couple weeks then burned out. I removed it in one
piece and replaced it and now, after a couple weeks, it's burned out again.

Did I just get a string of bad bulbs or could there be another reason for
the quick burn outs? We're not doing any unusual cooking, same frequency,
duration, and temperatures as before.

Paul

You should measure the voltage. IIUC electric stoves use what I call
220V but the light bulb and analog clock when they had them, and
probably all the electronics now** use one leg of the 220 plus a neutral
wire to get what I call 110 which is usually 117, no higher. Higher
voltage will burn out bulbs.

What about other incandescent bulbs in your house? Are they burning
out faster than normal?

I have a feeling there's something I'm leaving out.


**Well, it starts off at 117 but is dropped to 12 or so for the
electronics.

When are you going to learn that the nominal voltage in the USA is
120volts and it has been for quite a few years now. :-?

--
John G Sydney.