/technologies/power-management/b/blog/posts/diy-slip-rings-5-go-to-guides-that-detail-how-to-make-a-slip-ringHow do you make your own slip ring? It’s actually a surprisingly common question . When you consider their multitude of uses, it’s easy to see why. For one, they help to power wind turbines, and support the ever advancing renewable energy initiat...en-USTelligent Community 12https://community.element14.com/technologies/power-management/b/blog/posts/diy-slip-rings-5-go-to-guides-that-detail-how-to-make-a-slip-ringWed, 14 Sep 2016 08:37:03 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:73185ec8-454c-4f4f-b35a-5475acc3bee0michaelkellett0<p>Whilst these suggestions are interesting none of them will result in a slip ring system that is reliable and all would be unsafe for use with high powers or voltages (serious fire risk or risk of electrocution)&nbsp; - wooden insulators are not a good plan.</p><p>&nbsp;</p><p>If you want slip rings that work you have to buy them, commercial products are usually the result of lots of material knowledge and testing.</p><p>&nbsp;</p><p>The last set of good instrument quality slip rings (silver brushes on silver rings, two brushes per ring) I bought was some years ago and I think they cost&nbsp; perhaps £250 - now I see you can sets (not the same !!) from Amazon at prices from £5&nbsp; - I doubt if they are as good but will probably work a lot better than home made ones.</p><p>&nbsp;</p><p>Steel on steel contacts or carbon brush on steel will spark a lot and wear out very quickly, ball bearings are not a good idea for the same reason.</p><p>&nbsp;</p><p>&nbsp;</p><p>MK</p><img src="https://community.element14.com/aggbug?PostID=1991&AppID=4&AppType=Weblog&ContentType=0" width="1" height="1">