The American Lighting Association (ALA) and the National Electrical Manufacturers Association (NEMA), and UL recently released a new position paper due to an increased demand for ultraviolet light as a sanitizing and germicidal agent during the COVID pandemic. The position paper brings attention to UV device safety risks and helps manufacturers, retailers, and consumers understand which devices are safe and under what conditions they can be operated safely.
Light + Health
Interviews + Opinion, Light + Health
Cree’s Jeff Hungarter on Tunable White
I recently had the pleasure of interviewing Jeff Hungarter, Commercial Indoor Director, Cree Lighting, on the topic of tunable-white lighting, focusing on its potential intersection with circadian health. The interview informed an article I wrote for the November 2020 issue of tED Magazine, the official publication of the NAED.
The Health Case Against Daylight Saving
Daylight saving in 2020 ends November 1 and will resume March 14, 2021. The American Academy of Sleep Medicine recently issued a position statement calling for an end to daylight saving, citing health risks posed by the longstanding practice designed to reduce energy costs.
IES and IWBI Announce Memorandum of Understanding
The Illuminating Engineering Society (IES) and the International Well Building Institute (IWBI) recently announced a memorandum of understanding enabling future collaboration to improve the quality of indoor environments through improved lighting design.
Archived IALD Webinar: Lighting Design and GUV Technology
In this webinar produced by the International Association of Lighting Designers (IALD), LESA Center Director Robert Karlicek joins Darcie Chinnis and David Pfund as they explore germicidal UV technologies and applications for the built environment.
Sign of the Times: Our Yoga Place Chooses Visible Light Disinfection
Hubbell Lighting recently published an interesting case study for its SpectraClean solution, general lighting that emits a portion of its spectrum in the narrow-band 405 nm for microbial disinfection.
Lighting Research Center Releases Results of Online UV Disinfection Survey
The Lighting Research Center (LRC) at Rensselaer Polytechnic Institute is currently examining a range of UV disinfection technologies. To launch the project, the LRC administered an online survey asking about people’s experiences with and concerns about UV disinfection products.
Interviews + Opinion, Light + Health
Acuity’s Gary Trott on Filtered Far UV-C Disinfection
I had the pleasure of interviewing Gary Trott, Vice President – Technology Commercialization, Acuity Brands Lighting, about filtered far UV-C disinfection for an article I wrote for the December issue of ELECTRICAL CONTRACTOR.
In Vitro Study Shows Filtered Far UV-C Effectively Inactivates COVID Virus
Dr. Hiroki Ohge, Professor, Department of Infectious Diseases, Hiroshima University Hospital, and a group of researchers led by Dr. Takemasa Sakaguchi, Professor, Hiroshima University Graduate School of Biomedical and Health Sciences, have completed a research study that demonstrates that irradiation with filtered 222nm UV-C light effectively reduces SARS-CoV-2 in an in vitro experiment.
Kobe University and Ushio Study Filtered 222 nm Far UV-C as Disinfection Method
Ushio Inc. and a research group led by Dr. Ryosuke Kuroda, Chairman and Professor of the Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, have completed a research study that shows that irradiation of filtered 222nm UV-C light on human skin reduces bacterial counts while causing no injury. This is the first study on the safety of 222nm far UV-C light conducted on humans.
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