Lighting & Infrastructure Articles

Illustration of a dark escape corridor lit by ceiling emergency luminaires, with an exit sign glowing at the far end

Emergency Lighting Systems: Self-Contained vs Central Battery, Durations and Exit Signs

Emergency lighting explained: escape route, open area and high-risk task lighting, self-contained vs central battery, modes, durations, signs and testing.

Illustration of an LED street-light luminaire head seen from below, with its LED array lit

Specifying LED Luminaires: Output, Optics, Environment and Controls

How to read and specify LED luminaire data: flux vs efficacy, optics, glare, colour, IP/IK, surge, Lx/By lifetime claims and controls.

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