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2 Posts in this encyclopedia categoryWarm White, Neutral White and Cool White Explained
The terms warm white, neutral white and cool white describe the colour tone effect of white light. Warm white (2,700–3,300 K) produces cosy, yellowish light for living spaces. Neutral white (3,300–5,300 K) is suited to kitchens and work areas. Cool white or daylight white (from 5,300 K) promotes concentration in offices and workshops.
Watt Explained: What Electrical Power Tells You About Light
Watt (W) is the physical unit for electrical power. For light sources, the wattage indicates how much electricity is consumed – but it says nothing directly about brightness. For comparing brightness, the lumen value is decisive: a 7-watt LED can replace a 60-watt incandescent lamp.