Hello,
Have the typical electric kitchen Range; Whirlpool model of a few years in age.
Questions:
- Is 220 V (or 110 ?) applied directly to the top elements via the rheostat ?
- With the Rheostat turned on Full, Max. Hot, is a full 220 V being applied across the heating element ?
- There is no transformer used. True ?
Thanks, Bob
YES
There is always 220 applied, then switched on/off.
Greg
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True but they're not rheostats, either, they're generally just a calibrated bi-metal strip-controlled set of contacts to provide a time-modulated on-off cycle; longer on, higher temp.
I don't know if any of the newer ones have gone to solid-state controls or not.
Tere's a good diagram of the guts of one here...
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Excellent illustration.
Hadn't looked at the forensics; had just found the pictures/diagram of the control switch some time in the past during another discussion so this recalled the site and a quick search found the link...
OK, so on looking--AFAICT he doesn't actually fully commit to the root cause but does indicate the one stove burner was found in "ON" position which would likely indicate it was forgotten and left on. I'd guess the coffeepot is incidental collateral damage. Given the final statement is that the right front burner was on that while not stated explicitly that is the conclusion to be drawn.
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