Subj : Re: Seeking cable management ideas.... To : Grant Taylor From : David Higton Date : Sat Jun 15 2024 22:43:35 In message 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. The mains cable has the live and return together all the way, twisted, so the field cancels out. The transformer effect will never become noticeable, no matter how many turns. David --- SoupGate-Win32 v1.05 * Origin: Agency HUB, Dunedin - New Zealand | Fido<>Usenet Gateway (3:770/3) .