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Awesome flesh-burning death lamp. (Germicidal UV)

bigclivedotcom · 1.5M views · 2018-06-27 · 8:46

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Overview

BigClive tears down and tests a germicidal UVC lamp from eBay that floods a room with narrow-band ultraviolet and ozone. He warns of the eye and skin hazards.

On Hacker News

HN points to BigClive as a source for how cheap UVC lamps actually work and what they emit.

Recommended by 1 HN people across 1 months · HN mentions 2018–2024

Topics

Repair, teardowns & right to repairElectronics & circuit design
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uvcozoneteardownsafetybigclive

What people said

dwroberts · 2023-11 · Recommendation

BigClive has some interesting videos on these kinds of lights [VIDEO] He also works in events/lighting and has mentioned the risk of events inadvertently sourcing 'cool-looking' lights without understanding what they actually are (germicidal UV lights)

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byb · 2024-01 · Reference

Personally I feel the use of the term "far uv" is very misleading because the 220 nm wavelength is within UVC, and not too far away from 254 nm germicidal UVC. It is always helpful to consult a chart: [LINK] So, from a public health/public education standpoint, I find it troubling that scientific research, which the article points out, is limited in this area. For decades, general advice has been that all UVC is dangerous to all life. We don't know below which wavelength does UVC no longer become harmful to animal (human) cells. Nor do we know if 220 nm wavelength light damage/weaken other materials. I'm not a chemist/engineer so I don't know if theoretical calculations can be made or if a massive scientific effort needs to be done to verify the impact of 220 nm UV light on lots of materials/life. If there is an animal/human cell safety region, perhaps a rebranding or subdivision of UVC into a "UV-D" is better than calling this "far uv". This has the added benefit of the "D" meaning "Death to germs/viruses". YouTuber Big Clive has had several videos on UVC lamps, I'd like to see someone get a 220 nm light into his hands to see if he smells like burnt meat. [VIDEO] [LINK] Edit: maybe I am a bit alarmist, some comments did share additional information about products offering this technology... I still hold that the branding/messaging is a problem by lumping it all together

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namibj · 2018-10 · Reference

E27 UVC lamps, basically in this case a long CFL with proper UV quartz glass, but without the fluorescent coating, seem to be popular in china to be screwed into the ceiling. See biglive about it: [VIDEO]

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Sources

Video by bigclivedotcom, played through YouTube.

Data and selection notes

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HN Library: HackerTube export (2026-10-31) and open-index/hacker-news. Upstream summaries and classifications may contain AI errors.

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