Buying an older house and found this outlet. Why did the owner

>>1219678
It was not cleaning his keys properly.

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>>1219678
Probably trying to plug in something where it shouldn't go.

>>1219698
what uses 50A? a welder?

>>1219702
240v 50A 3 wire is typically used for welders, yes, and 4 wire is typically for an electric stove.

>>1219698
Do you have an unedited version of this? Gonna keep that for work.

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>>1219708

>>1219698

So basically he had a thing with a 20A 10-20R plug and decided electrically it would be compatible with a 30A 10-30R plug, so he carved out a slot. Makes sense. Thanks!

>>1219718

30A 10-30R outlet*

>>1219718
Naw. The 20a outlet may look the same as the 30/50a in that chart but is physically a smaller diameter and would never work. Owner had a 30a outlet and carved it out to plug in a 50a plug. Still stupid. It's why we have breakers.

>>1219728

Huh. Well I looked at the panel and it's definitely on a 30A breaker. I also seem to remember there being an ironing board standing next to it which made me think this had a dryer plugged in. But an old dryer would have the regular 10-30R plug, right? Pretty sure this guy didn't do welding in the room because the area has carpet and wood all over the place.

>>1219731
A 50a plug doesn't mean welder. Dryers, like Ranges, don't come with plugs on them. You buy a cord to match the outlet you have and install it onto the appliance. The previous owner probably wanted to save 15 bucks for the correct cord and instead modified his 30a outlet to receive a 50a plug that came with the used Dryer he bought off craigslist.

>>1219678
>Why did the owner carve out this notch?
mental handicap

modifying electrical receptacles is next level stupid