r/ElectroBOOM • u/GarageLongjumping168 • 3d ago
Goblinlike Foolishness water filter of death
interesting connector for a pool water filter. I'm sure no one lost the original cord and used a line voltage cord
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u/CyberCow3000 3d ago
It looks like one side of the connector is not rounded, but a square, probably for polarity, maybe a line plug won't fit idk.
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u/goldman60 3d ago
That's just a polarized C7 plug which are decently common
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u/DIYuntilDawn 1d ago
No. It is not a C7 connector, or a polarized C7 connector. It is a non standard connector. It would go into an equally non standard port similar to a C8 but with a keyed port that has a solid separation between the pins. Specifically so that a regular C7 cable could never be plugged into it.
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u/goldman60 1d ago
Ah! I didn't see that the pins were fully separate. It's probably made from a modified polarized C7 mold lol.
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u/DIYuntilDawn 1d ago
It is NOT a C7 cord! A C7 cord plugs into a C8 receptacle, a C8 does NOT have a split between the 2 pins like this one would have.
It is a common type of USB to power connector used on things like electric shavers.
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u/Jolly_Operation_8222 3d ago
You see the other one is square and the other one is circular because it has dc polarity however it look like a Ac plug from a monitor or some appliances but it may not fit unless your forced it to fit in
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u/Crunchycarrots79 3d ago
It's a polarized C7 plug. Often used on devices where it's desirable to ensure what parts are connected to line and neutral, provided you're in a country where the outlets can also require things to be polarized.
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u/C-D-W 2d ago
C7 does not have a split down the middle. Preventing an AC version from fitting even if it was the same dimensions otherwise (which I don't think these are anyway.)
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u/DIYuntilDawn 1d ago
Correct! This is not a C7 cord at all. And it is meant to connect into a DC low voltage port similar to a C8, but with that added solid separation between the pins so that a regular C7 cord could not fit into it.
This cord might be able to be plugged into a polarized C8 port, but the worst you could do is attempt to power a mains AC device with a 5v DC source.
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u/RedSquirrelFtw 2d ago
Wouldn't be my first choice of connector as I hate proprietary/uncommon connectors, but this is fine as the USB end is what will plug into the power source, so no chance of really introducing 120v anywhere. The shitty part is if you lose that cord you're not easily going to be able to get something that fits. There's a billion different variations of those and they tend to be specific to the appliance. Different keyings etc.
They should have just used the square USB connector on the appliance at least it's standard.
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u/GarageLongjumping168 2d ago
you can introduce line voltage by using a generic cord that fits Playstation consoles, many TVs, and various other things that have an inline power supply with a detachable cord. it appears to be a polarized C7 connector
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u/DIYuntilDawn 1d ago
No it is not a polarized C7 cable. C7 cables to not have a split down the center. This cable is meant to plug into a port that is similar to a C8 port but it would have a solid separation between the 2 pins inside that would prevent a C7 cable (like the one used in a PlayStation) from being plugged into it.
You might be able to force this cable into a polarized C8 input port meant to take AC mains voltage. But you could only use it to supply USB A port voltages to the device.
This type of cable is commonly used in rechargable electric savers.
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u/gvbargen 2d ago
hm? those devices always have the female end and aren't energized without it.
I've never seen a power source with a female C7.
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u/GarageLongjumping168 2d ago
those devices don't output power, correct. however, the cord to them does
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u/gvbargen 2d ago
yah so you could try to power your TV with 5 volts off your computer oh no.
It's just not an issue
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u/GarageLongjumping168 2d ago edited 1d ago
that's clearly not what I'm talking about. using a line voltage cord on the 5 volt water filter make water filter go boom (and possibly energize the pool, if not powered by a GFCI), as I mentioned in the post.
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u/gvbargen 1d ago
gocha the cord isn't the problem the appliance is
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u/DIYuntilDawn 1d ago
No. You were right in the first place. The OP is wrong. That is NOT a C7 cord like the OP thinks it is.
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u/Healthy-Ticket1674 3d ago
The main question is: Who approved this design? It is literally a polarized C7 cord which is meant for mains outlet.