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Recent content by Axel114

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    Microwave suddenly dims house lights -- but nothing else does as severely

    Kajunbee: My mom doesn't want to call the power co now that it's doing better (although that was the plan earlier). I have a multimeter that I've used on computers and batteries, but am a little freaked about sticking the probes into this much power. By panel cover I thought you meant the one...
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    Microwave suddenly dims house lights -- but nothing else does as severely

    Very strange results today: The dimming has suddenly lessened significantly. The microwave interior light still dims a good bit, but not nearly as much as before, and the house lights/ACs/fans are no longer affected that much (maybe slightly). What on earth to make of this? The only thing I...
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    Microwave suddenly dims house lights -- but nothing else does as severely

    The water heater is connected to a wire coming out of the wall - literally just a wire through the drywall, there's no plug, so I don't know where it's fused. I'm guessing outside since it's too much for that panel (isn't it?) Yes, this is the only panel, but I don't know what you would...
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    Microwave suddenly dims house lights -- but nothing else does as severely

    Last night I observed the panel and the outdoor connections in darkness and listened carefully. There was no visible sparking or unusual noises that I could hear. Some info that may be helpful... I can't believe I didn't think of it earlier. I tried turning the oven on (NOT the microwave) and...
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    Microwave suddenly dims house lights -- but nothing else does as severely

    I don't know if it's aluminum. It's in the US and is from the 1955-1960 era.
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    Microwave suddenly dims house lights -- but nothing else does as severely

    I forgot to mention that about 2 months ago the fuse for the circuit the microwave is on mysteriously blew out (microwave was on, as was a 500-watt AC on the same circuit). Still that should not have blown a 30 amp fuse. We just assumed the fuse was old/faulty. I now wonder if this could have...
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    Microwave suddenly dims house lights -- but nothing else does as severely

    I have mapped all the circuits several years ago. I know which outlets are on each circuit. It is indeed dimming lights and slowing AC fans on OTHER circuits. I tried another extension cord (100 ft 12-guage). The plug's LED also dims when connected to each microwave, but doesn't flicker or...
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    Microwave suddenly dims house lights -- but nothing else does as severely

    An update: I bought a new 1100-watt microwave (does not have an inverter, nor does the old one). It also dims the lights, but not quite as bad. The light on the extension cord dims a lot but has not flickered or gone out completely. I don't know what to think. The light inside the...
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    Microwave suddenly dims house lights -- but nothing else does as severely

    andre_teprom: The extension cord is connected properly and it is a rather expensive 12-guage model we got to use for outdoor 12-amp motor equipment. Also, it's been tested with other high current appliances. Megger? Don't have anything like that. Sounds like I'd be in need of an...
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    Microwave suddenly dims house lights -- but nothing else does as severely

    Thanks. Unfortunately, all this leaves me confused. The above sounds like the culprit should be in the house wiring. Yet the microwave dims things more than anything else. I did more experiments. This time the electric heater did dim the lights until it was turned off. But it still didn't...
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    Microwave suddenly dims house lights -- but nothing else does as severely

    Again, this unit has been plugged into different locations within the house with the same result. Air conditioners and electric heaters plugged into the same circuit don't do this (though ACs do create an initial dimming that recovers). We mapped the house's circuits to the outlets several...
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    Microwave suddenly dims house lights -- but nothing else does as severely

    If that's the case, wouldn't it affect other appliances that draw a lot of current? Only the microwave does this. No, the lights don't get brighter (though they do recover when the magnetron goes off).
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    Microwave suddenly dims house lights -- but nothing else does as severely

    I don't have an AC current meter to test. I just wondered if the symptoms pointed to something definite. Knowing very little about electricity I just assumed that the dimming might mean it was drawing some outrageous amount of current that could cause wires to melt. But the current has to be...
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    Microwave suddenly dims house lights -- but nothing else does as severely

    A 6-year-old Whirlpool microwave oven has started significantly dimming lights throughout the house when the magnetron kicks on. I know some minor dimming can be normal when a refrig/AC/washer/vacuum starts, but this level of dimming was not typical of the oven, and it stays dimmed until the...
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