Explain this: all the door handles on all the floors in this chilly stairwell are warm to the touch. They were this way yesterday too.
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@JakeGoulding electro-magnets keep the door shut, power goes off, they release, open the doors. the constant low voltage creates some heat. -
@mattmoehr yes, the wall side makes much more sense, but there's one open door that is also warm.
End of conversation
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