Start by calling your landlord. The outlet could be wired wrong. Ive
seen 120v outlets get rewired for a 240 window air conditioner. Could
be that the circuit uses a shared neutral. If the nuetral connection
fails it could put 240 across the outlet. This could be an
intermittent problem as you discribed while incorrect wiring wouldnt
likely be intermittent. Call your landlord.
One of my houses had an older 220v outlet that looked just like a 110
outlet. It was for a log set on an electric fireplace, circa 1926.
The former owner had plugged in a box fan that lasted about 10
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