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Old 03-08-2010, 11:50 AM   #1
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Recessed Lighting Placement


Hi Guys,

Not sure if this should go in the "electrical", "general", or "design" section, but I'll give it a shot here.

I have a room with no lights in the ceiling. I plan to use this as a workout room. I plan on installing recessed lighting to use as general lighting in the room. However, I cannot decide how to layout the cans. And I don't know if I should use the 4" or 6" cans, and which ones will give me the best general light in this room. The ceiling is 8' tall. Below is a drawing with four gold dots that represent some recessed fixtures, in this scenario I was using 6" cans. Please help.


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Old 03-08-2010, 08:15 PM   #2
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Recessed Lighting Placement


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Old 03-08-2010, 08:24 PM   #3
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Recessed Lighting Placement


Is this in the Basement or on the first floor ?

The other thing is that you have to watch out the floor joinst or trusses the floor joints are typically spaced 16 inches on centre but once a while 19.2 inches as well but for trusses it will varies from 16 to 24 inches on centre.

For the can size I useally get 6 inches can due it is a common size.

Make sure you get the IC verson and I am pretty sure they do have airtite verison as well { if this going in trusses area then this is very important part here }

Right now if I am right you have switched recepetales now ?

If so there may a option you can change them to unswitched receptales.

Let us know what excat you need to be done so we can guide ya in correct way.

Merci,Marc
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Old 03-09-2010, 11:09 AM   #4
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Recessed Lighting Placement


I do have switched receptacles now, but I will rewire it so the outlets are always hot, and the switch controls the recessed lighting. This in on the 2nd floor with attic access. I just want to ensure that I will have adequate light in the room.


Thanks,
monkey
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Old 03-09-2010, 04:03 PM   #5
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Recessed Lighting Placement


A rough estimate is that for a 6" recessed light, for every foot the ceiling height is, that is the diameter of the light circle on the floor below it. So for an 8' ceiling, one 6" recessed light will illuminate an 8' in diameter circle.

Draw it out on graph paper using a compass. The circles should overlap roughly 25%. The reason for the overlap is because the light wil be most directed at the center of the circle directly below the recessed light. As the distance from the center increases, the light tapers off.

Good Luck!
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Old 03-10-2010, 06:23 PM   #6
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Recessed Lighting Placement


So I have put together two different layouts. I think I'm going to go with the "5 can" layout. Please let me know what you think.

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Old 03-10-2010, 07:29 PM   #7
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Recessed Lighting Placement


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Originally Posted by monkeystomach View Post
So I have put together two different layouts. I think I'm going to go with the "5 can" layout. Please let me know what you think.
The 5-light layout looks good. You'll have excellent light coverage.
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