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Industry Standard Interpretation

Technical guides, industry standards, product selection, lighting design and project analysis.

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ETL, CE and IP67 — A Practical Guide to LED Lighting Certifications for International Projects

Industry Standard Interpretation

ETL, CE and IP67 — A Practical Guide to LED Lighting Certifications for International Projects

ETL, CE and IP67 — A Practical Guide to LED Lighting Certifications for International Projects What ETL, UL, CE and IP ratings actually mean, which markets require which certification, and how to use certificates in a project submission. Category:CertificationUpdated:Aug 2026Read:9 min Print Specifying certified LED fixtures is not bureaucracy — it is the difference between […]

9 min read
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The Basic Concepts of Lighting

Industry Standard Interpretation

The Basic Concepts of Lighting

Understanding the physics and measurement of light — from electromagnetic waves to the four core photometric quantities.

6 min read
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