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Posted by Cheri on February 10, 2007, 7:57 pm
Speedy Jim wrote in message ...
>Cheri wrote:
>
>> I was using my oven a little while ago, and heard this loud pop, and
saw
>> that the element was flashing white and burning in a spot. Turned the
>> oven off, and it continued to burn. I went outside and turned it off
>> with the circuit breaker and it immediately stopped burning. My
question
>> is, why did it continue to burn after the oven was off, but didn't
stop
>> until the circuit was turned off. Shouldn't the circuit breaker have
>> tripped? I removed the element and there is no burn behind it or
>> anything, but it puzzles me as to why it kept burning. TIA
>>
>> Cheri
>>
>>
>
> First, a sincere salute to you for having the presence
>of mind to think of tripping the breaker off. Most folks
>would still be running around like a chicken with no head :-)
>
> Appliances live by different rules. The built-in controls
>(like the thermostat) are allowed to open only one side of
>the 240V Line. When an element develops an internal short
>to the (grounded) sheath, current will continue to flow
>even though the control says plainly "OFF".
>
>Jim
Thanks so much for the answer Jim. That makes sense to me.
Cheri
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