Subj : Re: Seeking cable management ideas.... To : Grant Taylor From : Chris Green Date : Sun Jun 16 2024 09:35:52 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). -- Chris Green ยท --- SoupGate-Win32 v1.05 * Origin: Agency HUB, Dunedin - New Zealand | Fido<>Usenet Gateway (3:770/3) .