https://stream.echo6.co/videos/watch/33c02100-80a4-426e-ae18-ae61cc09044d I thought it was maybe a listing error, but this little lamp really does run at about 10V when it's warmed up. It uses an internal filament with a thermally emmissive coating to lower the voltage at which a mercury discharge can occur. Remember that this lamp puts out UVC light which can cause skin and eye damage by direct exposure. Here's a generic eBay search link:- https://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=m570.l1313&_nkw=10v+germicidal&_sacat=0 Russell's page:- http://russellsrandomthoughts.blogspot.com/2013/05/the-gtl3-bulb-simple-and-inexpensive.html 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 11:43:28 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/33c02100-80a4-426e-ae18-ae61cc09044d 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.