Building exterior lighting query

[katwalatapan]

Hello everyone,

I wanted to inquire if having 42W CFL lighting fixture on the building perimeter would meet minimum Illuminating Engineering Society of North America (IESNA) standards for exterior lighting. Is there a minimum thumb rule of certain footcandle (fc) requirement at 10-20' from building?

Thank you.

Regards,

Tapan.

[grayemiliia]

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