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Recessed Lighting Layout Guide: Spacing, Size and Dimmers

Plan recessed lighting like a pro: how many cans you need, 4 inch vs 6 inch, spacing from walls, color temperature and dimmer compatibility.

By the LED Electric team ยท Updated 2026-11-08

How many lights

Divide ceiling height by two for spacing โ€“ an 8 ft ceiling means lights roughly 4 ft apart. Keep fixtures 2โ€“3 ft from walls.

4 inch vs 6 inch

4 inch wafer LEDs suit modern rooms and low ceilings; 6 inch provides broader spread in large rooms.

Color temperature

2700K is warm and cozy; 3000K is neutral for kitchens; 4000K suits garages and offices.

Dimmers and layers

Pair recessed lights with pendants or under-cabinet LEDs on separate dimmers. See our lighting installation service.

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