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FAQs about SSc4 :

My building doesn’t have any exterior lighting (no site lighting and no building-mounted lighting). Is my project eligible for this credit?

We have parking garage signs on the building exterior. We’re attempting Option 1 Fixture Shielding. Does the parking signage need to meet the requirements too?

What about lights on the roof? Do they have to comply?

What about exterior lighting owned by tenants?

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EBOM-v4 SSc4:Light pollution reduction

Light Pollution Reduction

Hi All, can anyone explain the meaning of "the lamps are adequately shielded" in the Light Pollution Reduction Criteria?

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Bill Swanson
Sr. Electrical Engineer
Integrated Design Solutions
LEEDuser Expert
516 thumbs up

Tue, 01/10/2023 - 21:20

When this was written, HID lamps were normal for exterior lighting. Lamp term doesn't apply to LEDs but the intent is the same.  Anything that blocks the light from shining where we don't want the light.  This can be part of the fixture.  "Cutoff" rating to block the light from shining up into the sky.  Or "House-side shield" to block light shining onto the neighbor's property. Or it can be structure that blocks the light, like a canopy or wall. 

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