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   REPLYADDR bp@www.zefox.net   
   REPLYTO 3:770/3.0 UUCP   
   MSGID:  84fdf2b2   
   REPLY: <8ok2kk-ja31.ln1@q957.zbmc.eu> df083d56   
   PID: SoupGate-Win32 v1.05   
   Chris Green  wrote:   
   > Grant Taylor  wrote:   
   >> On 6/14/24 09:27, bp@www.zefox.net wrote:   
   >> > One approach that sort-of works is to plug two walwarts (one for the   
   >> > Pi, one for the hub) into a single 3-outlet extension cord, then coil   
   >> > the excess wire (both mains and 5-volt) around the cleat- like object   
   >> > which results and hold it in place by a cable tie or split conduit.   
   >> > I've done a couple like this and it's ugly but better than loose   
   >> > wires. One can at least see where each Pi plugs in.   
   >>   
   >> I would be careful -> avoid coiling low voltage with high voltage mains.   
   >>  My concern is that you would end up with something akin to a (poor)   
   >> transformer of sorts.  Wherein the high voltage mains would couple onto   
   >> the low voltage lines.  At a 1:1 ratio, you'd end up with the same high   
   >> voltage on the low voltage secondary side.   
   >>   
   >> I don't know how many loops on a coil would be needed for this to be   
   >> noticeable.   
   >>   
   > Without an iron core of some sort I doubt if there's much risk.   
   > However wiring regulations require that mains carrying cables should   
   > be either 50mm away from low voltage ones or that there should be   
   > 'mechanical separation' between mains and low voltage wiring. (That's   
   > the basics anyway).   
   >   
      
   I hadn't considered electrical codes 8-) I suspect that very few   
   computer setups in homes observe a 50 mm separation rule, at   
   least here in the US. Still a picky inspector might take issue.   
      
   Thanks!   
      
   bob prohaska   
      
   --- SoupGate-Win32 v1.05   
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