ANSI E1.55-2016 (R2021): Theatrical Makeup Mirror Lighting
The modern vanity layout first appeared in the late 1700s. As popular cosmetics were being developed and sold to the masses, makeup found its way to…
ANSI/IES LM-85-23: Measurements of LED Sources
Measuring light emitting diode (LED) sources helps accurately assess their light output, assuring that they meet specific performance requirements for the intended application, such as…
How Does Blue Light Affect Workers?
With modern luxuries, most people can organize a spreadsheet, read a book, watch a movie, and video chat with someone in another hemisphere—all from the…
ANSI C78.377-2024: Solid-State Lighting Products
Light Emitting Diodes (LEDs) are increasingly being introduced into the lighting market; as such, solid state lighting (SSL) is becoming the norm, largely due its…
ANSI/IES LP-9-20: Commercial And Industrial Facilities
The average American spends as much as 90% of their time inside—mostly at work. As such, ensuring that buildings are healthy is critical for the well-being…
ANSI C136.27-2021: Tunnel Lighting And Underpass Luminaires
As our road networks become more crowded, the use of tunnels and underpasses is expanding, both to improve traffic flow and to protect local environments…
ANSI C82.11-2023: Lamp Ballasts
Lighting ballasts are a key feature of fluorescent, HID, and some LED lamps that allow current to be regulated to suit the lamp type. Without…
IES G-1-22: Security Lighting For Critical Infrastructure
Public street lighting arose in 1417 when the Mayor of London (Sir Henry Barton) issued an order for people to place oil lanterns and hang…
ANSI/IES LM-80-21: Measuring LED Output Characteristics
An American National Standard, ANSI/IES LM-80-21: Approved Method: Measuring Maintenance Of Light Output Characteristics Of Solid-State Light Sources, is used to measure the light emitted…