this post was submitted on 01 Apr 2026
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top 32 comments
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[–] Hux@lemmy.ml 46 points 1 week ago (1 children)

Do you want to provide Power over Ethernet (PoE) to an Ethernet device/network? If so, at minimum, the dongle would have to be designed to transmit DC power from whatever power adapter you are using. This seems pretty unlikely if you are using a standard USB-Ethernet adapter, unless it was specifically designed to provide PoE.

Do you want to connect an Ethernet based network to an electrical outlet to be able to utilize the wiring in your house or greater electrical grid to communicate data? If so, the dongle or adapter would need to support Power Line Communication (PLC). Your expectations for data networking over in-house electrical wires or the electrical grid servicing your area, would need to be extremely basic and would require more hardware to connect devices to data being shared from other electrical outlets (or maintain signal over the grid).

Do you want to connect with hot single moms in your area? Well, then stop dicking around with network adapters and unlock the secret to driving women wild in 2026! Get your OSHA Certified Forklift Operator’s license today!

[–] SwingingTheLamp@piefed.zip 2 points 1 week ago

Right proper shitpost here. Imma start forking ASAP.

[–] apfelwoiSchoppen@lemmy.world 40 points 1 week ago (2 children)
[–] hanke@feddit.nu 9 points 1 week ago (2 children)

I used this for a couple of years. Worked great.

It kind of depends on what fuse your outlets are on and how your place is wired.

It is a gamble, but when it works, it works great!

[–] natebluehooves@pawb.social 5 points 1 week ago* (last edited 1 week ago) (1 children)

we’re currently using powerline as a stopgap until we can get around to running cables in the attic for a couple of our security cameras. we get about 300 megabit! not terrible imho

[–] hanke@feddit.nu 6 points 1 week ago (2 children)

I hear a temporary solution about to become permanent 😄

[–] JigglySackles@lemmy.world 3 points 1 week ago

There is nothing more permanent than a temporary fix. Lol

[–] natebluehooves@pawb.social 0 points 1 week ago (1 children)

oh god i hope not. I have an ibm mainframe chassis in the garage i’m converting into a high temperature rack, and that’s going to need fiber xD

[–] W98BSoD@lemmy.dbzer0.com 0 points 1 week ago
[–] synapse1278@lemmy.world 1 points 1 week ago

I use it to have connection to my washing machine in the basement, I live in the 2nd floor. It works fine. It's nice to have a notification when the washing is done.

[–] dejected_warp_core@lemmy.world 2 points 1 week ago (1 children)

For anyone else that needs it, there's also stuff for co-ax. Some cable guy went nuts putting coaxial cable into just about every room of my new (very old) house. I seriously considered MoCA for a bit, but wifi is working well enough for the moment.

https://www.techreviewer.com/learn-about-tech/ethernet-over-coax-a-complete-guide-to-moca-adapters/

+1 for MoCA, for a while I had to have my server in my room because I didn’t have anywhere else with Ethernet, it got so damn hot in here and it was louuud. But I finally learned about moca, ordered an adapter for it and moved the server to the basement. It has worked perfectly so far. The only issue I’ve had is that one time, it started having like 50% package loss, resetting the adapter fixed it though

[–] Lexam@lemmy.world 21 points 1 week ago (1 children)
[–] ignotum@lemmy.world 19 points 1 week ago (1 children)
[–] Kolanaki@pawb.social 6 points 1 week ago

Energy Over Peethernet

[–] Dyskolos@lemmy.zip 14 points 1 week ago (1 children)

Of course it will work. Question is what you expect it to do 😁

[–] hansolo@lemmy.today 3 points 1 week ago

"Guys, I hacked a nuclear rector using the secret direct protocol!"

[–] username_1@programming.dev 13 points 1 week ago

Depends on what job you want to be done. It would be a perfectly fine solution to make a very subtle light in the dark room, for example.

[–] PityPityBangBang@lemmy.world 5 points 1 week ago

you need to use a crossover cable to get that to work

[–] the_riviera_kid@lemmy.world 5 points 1 week ago

Power line networking is a thing so why not?

[–] CallMeAl@piefed.zip 4 points 1 week ago

yes that's called ethernet-over-powerline

[–] MonkderVierte@lemmy.zip 4 points 1 week ago* (last edited 1 week ago)

For a PoE hack?

[–] Kiernian@lemmy.world 3 points 1 week ago

How do the pin outs on the USB line up?

When doing this the old fashioned way, you wire the transmit pins on the RJ-45 to 110v AC HOT and the receive pins to common.

(That's an etherkiller, don't make that, it will fry any networking hardware you connect it to)

[–] dan69@lemmy.world 2 points 1 week ago

Curious to see what the packets are saying from a packet dump.

[–] BarneyPiccolo@lemmy.today 2 points 1 week ago

To burn down the house? Probably.

[–] Honytawk@discuss.tchncs.de 2 points 1 week ago

Yes, it will give Power Over Ethernet to whatever PoE device you plug it into.

[–] Fontasia@feddit.nl 1 points 1 week ago
[–] chocrates@piefed.world 1 points 1 week ago

No. That is an Ethernet to USBC so it's trying to get data to the power plug. I don't think it will provide POE

[–] standarduser@lemmy.dbzer0.com 1 points 1 week ago (1 children)

My ex did that in college with her ps4, and I won’t lie, I was impressed that the latency was so low for such a shitty apartment

[–] village604@adultswim.fan 2 points 1 week ago

Your ex did what? Plugging a USB C Ethernet adapter into a power supply won't do anything except power the adapter.

It's not like it'll function as a PLC.

[–] aeronmelon@lemmy.world -2 points 1 week ago (1 children)

If your goal is to burn your house down, probably.

It shouldn't; the USB wall plug will provide 5 V which powers the dongle, but it'll just be idle since there's no computer communicating with it over USB.