AC Plug Pack (wall wart) plugs - suggestions please

On Wednesday, September 2, 2020 at 2:01:50 AM UTC, david eather wrote:
> I have in mind a project that will use AC Plug Packs. For safety and 
> legal reasons I can't change that, but I am troubled by the low voltage 
> power plugs supplied. They are 2.1mm round plugs just like those on 
> almost any DC plug Pack.
> 
> Time marches on plug packs get mixed in together and "hey this fits" and 
> pzzzt... magic smoke happens to someones piece of kit.
> 
> are there suggestions for an alternative plug to use. Doesn't need to be 
> polarized (of course), but something hot plug-able would be nice.
> 
> Any suggestions?

Switchcraft "mini DIN" plugs
https://www.markertek.com/product/lks-wsu/grass-valley-lks-wsu-universal-power-supply-110v-220v

Of course you're paying more for these than a common coaxial-pin DC plugs.
But for professional products, for use in field, the added cost can be
justified.  Cheers, Rich S.