TECHNIQUE9 MIN
Layering residential lighting: the 4-circuit schemes
Ambient, task, accent, decorative — in that order, and never all on the same circuit. A worked example from a 3BHK in Bandra.
18 JUL 2026Read Note
THE EDISON JOURNAL
Notes on light
Written by our lighting designers and engineers. Mostly technique, occasionally opinion, never a press release dressed as an article.
TECHNICAL NOTE14 MIN READ·24 JUL 2026
CRI 90 is not good enough, and R9 is the reason
The general index averages eight pastel test colours and quietly ignores saturated red. Two fixtures can both claim 92 CRI while one makes teak look like cardboard. Here is how we measure and specify what actually matters.
D
Devang M.
Head of Optical Engineering
TECHNICAL NOTE6 MIN
When the dimmer buzzes, here's why it usually is
Trailing edge, leading edge, minimum load and inrush current — the four variables behind almost every dimming complaint we receive.
12 JUL 2026Read Note
PROJECT STORY11 MIN
Gallery lighting with zero spill: the Tarq case study
Tarq needed 97 CRI wall grazing and near-total darkness in the same room, four times a year. Here's the switching diagram.
04 JUL 2026Read Note
NEW RELEASE4 MIN
Introducing Solstice: hand-blown glass, engineered optics
Nine configurations, one shade profile, and the reason we spent eleven months on a 3mm lip.
28 JUN 2026Read Note
TECHNIQUE8 MIN
Landscape lighting without the airport-runway look
Fewer fixtures, lower mounting heights, warmer temperatures. Six rules we apply to every villa scheme.
21 JUN 2026Read Note
TECHNIQUE7 MIN
Cove lighting: the 100mm that decides everything
Get the setback wrong and you see the strip, the scallops, or nothing at all. A detail drawing you can trace.
15 JUN 2026Read Note
WEEKLY SPECIFIER BRIEFING
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