Knowledge Base
Expert knowledge on standards, technical parameters and lighting design for electricians and lighting designers.
IP Protection Ratings for Luminaires
IP protection ratings for luminaires explained: What do IP20, IP44, IP54, IP65, IP67, IP68 mean? Table with all protection classes and applications for electricians.
Read more →UGR – Glare Rating for Luminaires
What is the UGR value? Glare rating per DIN EN 12464-1 explained. UGR<19 for offices, UGR<22 for industry. Table, calculation and practical tips for electricians.
Read more →DIN EN 12464-1 – Workplace Lighting
DIN EN 12464-1 requirements: Lux values, UGR limits, colour rendering for office, industry, workshops. Overview table and practical tips for electricians.
Read more →DALI vs. 1-10V – Lighting Control Compared
DALI vs. 1-10V lighting control compared: Wiring, costs, functions, applications. Decision guide for electricians.
Read more →CRI – Colour Rendering for LED Luminaires
What does CRI mean for LED? Colour Rendering Index Ra explained: CRI 80 vs 90 vs 95. Which CRI for office, retail, industry? Practical tips for electricians.
Read more →Lux – Planning Illuminance Correctly
How many Lux for an office, workshop, warehouse? Lux table per DIN EN 12464-1, calculation formula and practical examples for electricians.
Read more →LED Retrofit: Energy Efficiency & ROI
LED retrofit pays off: ROI calculation, cost per m², payback and subsidy options. Calculation examples for industry, office and commercial.
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