Our expert enlightens a reader on the origins (and new interest) in RLM fixtures.
What does RLM stand for? Everyone knows what they are, how to specify them etc., but no one seems to know what RLM means. Help!
These days it means reflector luminaire manufacturer, but originally it meant reflector light microscopy. It is a fixture that is designed to project light downward, which has gained new interest in communities with Dark Sky ordinances.
Randall Whitehead, IALD
Latest from ask randall
Yes, using just recessed downlights in a room produces harsh shadows on people’s faces and makes the ceiling feel lower. I would recommend dividing... read full story
As far as indirect lighting goes, using LEDs, I would recommend 250 lumens per foot. Your pendant fixtures should be in the 36-inch to 42-inch... read full story
The short answer is yes, you can get LED that is daylight in color and has full-spectrum quality. I need to put in a qualifier, though. Full-spectrum... read full story
Wednesday, June 82 p.m. EDT Register for this free CEU webinar here. Webinar Overview:Learning units:AIA/CES LU (HSW) 1.0 Learning UnitIDCEC (IIDA/ASID/IDC/IDS) 0.1 CEUNKBA 0... read full story
Archived CEU Webinar: LED Lighting 204 - LED and Solid-State Lighting Opportunities for Aging Eyes, Health and Behavior
Sponsored by Emerson and Kuzco Lighting. This free CEU webinar has already taken place, but you can still watch it on demand by clicking here. Webinar Overview:Learning units... read full story
Sponsored by Bock Lighting, CSL, Fanimation, Pure Lighting/Edge Lighting and USA LED Lighting Solutions. Wednesday, June 10, 2-3 p.m. EDT This free CEU webinar has... read full story