I have a question about my Super User post: Do Ethernet over HDMI injectors exist and if so what are they called?

This is something I have always found a little awkward about StackExchange in general, finding the right community to post in. I had a question about HDMI and ethernet cables, so I go through the StackExchange list looking for an appropriate community and I see:

Electrical Engineering: Q&A for electronics and electrical engineering professionals, students, and enthusiasts

My question involves electronics, likely more toward the 'enthusiasts' category, but it seems fairly appropriate. A quick search of the questions there for HDMI and ethernet keywords does not yield my question, but does result in some similar questions about cable hookups and adapters.

I post the question, and shortly get a few comments saying it is inappropriate for the site, then got an excellent answer there, then someone migrates it to Superuser. Which is described as:

Q&A for computer enthusiasts and power users

Uhhh, what? From that description, I imagine this community would be all about software and maybe some computer peripherals, not about specialized cable adapters and pinouts. Some question searching here reveals a bit of an awkward relationship with the subject, there are some questions about cable hookups, but there is also a pretty flat 'no' on consumer electronics.

Side question: Is there somewhere else I should be looking when figuring out if a question is appropriate for a community? Are there better descriptions or formalized rules posted anywhere?

Main question: Why was my post migrated? From my research I don't feel like the Superuser community is the appropriate place for the question.

  • Most if not all exchanges have a on-topic (EE) post in their help section. SU on-topic help. Usually those have some more information on what kind of questions are expected.
    – Seth
    Commented Nov 2, 2017 at 11:17
  • IIRC consumer electronics are off-topic for Electrical Engineering. We deal with all sorts of networking things here so I think is a better fit here.
    – Burgi
    Commented Nov 2, 2017 at 11:20
  • @Seth thanks, that already clarifies a lot. I had no idea there was a help section for each community with information like that.
    – kcghost
    Commented Nov 2, 2017 at 11:20


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