https://stream.echo6.co/videos/watch/b974a018-5fa7-4b8f-a2de-492f373c1a6d I wondered how many contacts could be reliably operated by a single industrial push button. It turns out that force is the limiting factor, since it increases a LOT with the additional of each contact block. I don't recommend stacking more than a few. Not unless you want to discourage people from pressing buttons. If you enjoy these videos you can help support the channel with a dollar for coffee, cookies and random gadgets for disassembly at:- http://www.bigclive.com/coffee.htm This also keeps the channel independent of YouTube's advertising algorithms allowing it to be a bit more dangerous and naughty. Wed, 15 Apr 2026 11:48:09 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://stream.echo6.co https://stream.echo6.co/client/assets/images/icons/icon-512x512.png https://stream.echo6.co/videos/watch/b974a018-5fa7-4b8f-a2de-492f373c1a6d All rights reserved, unless otherwise specified in the terms specified at https://stream.echo6.co/about and potential licenses granted by each content's rightholder.