Matching rule reminder
Smallest class with class.lm ≥ area × 50.
Details
Planning budget · not photometrics · GFCI outdoors · never stare into LEDs.
Reference
Work-light lumen reference
Worked floor-area examples and lumen-class checks for common US portable LED work-light screens.
150 sq ft → 10,000 lm
7,500 lm budget ≤ 10,000 → 10k class.
Details
Enter area_sqft 150.
250 sq ft → 15,000 lm
12,500 lm budget → 15k class.
Details
Enter area_sqft 250.
400 sq ft → 21,000 lm
20,000 lm budget → 21k class.
Details
Enter area_sqft 400.
500 sq ft → NO_MATCH
25,000 lm budget > 21,000 → NO_MATCH.
Details
Do not force a 21k class alone.
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