this post was submitted on 25 Nov 2024
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hmmm
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This would be perfectly safe provided nobody unplugged it.
Wired correctly this would just join the two hots together, the two grounds together, and the two neutrals together which is how they are already connected inside the outlet anyway, electrically speaking. But that'd only last right up until someone unplugged one end of it and touched the live prongs.
Extention cords are dangerous because they are not always the right gauge.
People get cheap extention cords and try to pull more power than the cord can handle and it ends up heating the cord and causing a fire.
It's why a lot of things say "Do not use an extention cord! Plug directly into wall." Because they know someone is going to use a dollar store extention cord on a space heater.
Not because the space heater won't work with an extention cord
Most people care about plug type (low profile) or color more than they do the quality or gauge of the wire.
Anyways, this cord could be dangerous like that if the gauge isn't the same or thicker than what's in the wall.
Of course old, and even newer, houses just don't have sanely placed and adequate outlets where they're needed.