The tags associated with a voltage are back. SE discourages the deletion (burnination) of tags. The problem with these tags is they don't really define a group of questions well (a 5V tag could describe many many different types of circuits).

Delete the 24V, 12V, (and maybe 5V, 3.3V) tags and discontinue use of tags associated with a voltage

These had been cleaned up before, and they are back. There are probably a few hundred of these. I propose we create a new power-rail tag and merge them with that.

The other option is we could delete them, if we cleaned them and had a really good reason for deletion.

  • \$\begingroup\$ This is an interesting proposal. I've long favored deleting these tags outright, but as you've noted they tend to reappear and are on a lot of questions -- so it might be better to handle them by merging them into a single, better tag. "power-rail" is a decent name for a replacement, or perhaps "supply-voltage" would work instead. \$\endgroup\$
    – Null Mod
    Jul 31, 2022 at 20:51
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    \$\begingroup\$ not sure about "power-rail" just some people around the world call Busbar power rail which if you think about it is correct logically is it quite litterly a rail for power. maybe just a voltage-level tag because if there tagging with a specific voltage the OPs would seem to think the voltage is important to the question. \$\endgroup\$ Aug 7, 2022 at 20:36

1 Answer 1


5v and 3.3v can also refer to logic levels.

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    \$\begingroup\$ That is true, so maybe it would be good to go through and label those questions as 5v-cmos or 5v-ttl or something like that \$\endgroup\$
    – Voltage Spike Mod
    Aug 1, 2022 at 14:11
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    \$\begingroup\$ That would work \$\endgroup\$ Aug 1, 2022 at 23:32
  • \$\begingroup\$ I'm sorry to say this but as a beginner I don't think I will identify them to use them instead of 5v or 3.3v tags (both power-rail and logic-level but I think power rail is better) , but I like the idea of merging them. \$\endgroup\$
    – AhmedH2O
    Aug 13, 2022 at 7:02

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