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Old 02-28-2011, 07:13 PM   #1
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Recessed lighting, 4" vs 5" vs 6"


I'd like you get some of your opinions on what size to use. I'm installing recessed lighting throughout almost entire house.

Living room: 12.5x16
Dining room: 9x9
Kitchen: 13x10
Hallway: about 4 ft wide
All ceilings are 8 ft

Contractor strongly suggest using all 4" cans for looks. I agree that 4" looks better, but I feel like it doesn't provide enough light. Looks more appropriate as accent lighting. However 6" looks too big for a home, but I like the amount of light.

This is what I've tentativly decided on
Living room: 6" (there are wide trims for the 6"cans that make it look like 4", but u can still use the higher watt bulbs since it's 6". I can use those trims if I decide I don't like the 6")
Dining: 4" (as ascent light since I will have a larger light hanging over the dining table)
Kitchen: 5"
Hallway: 5"

What are your thoughts? Any input appreciated.

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Old 02-28-2011, 07:51 PM   #2
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Recessed lighting, 4" vs 5" vs 6"


the height of the ceiling can make a lot of difference in how it all looks and works. I didn't see that mentioned.


You can also go to manufacturers websites and obtain photometric data. That is basically a layout that shows how the light is dispersed and the light level at any given point. It helps in determining how many lights you will need.

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Old 02-28-2011, 08:28 PM   #3
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Recessed lighting, 4" vs 5" vs 6"


Nao his last measurment said all ceilings were 8' high.
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Old 02-28-2011, 08:44 PM   #4
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Recessed lighting, 4" vs 5" vs 6"


yes 8' ceilings.

I will be using Halo cans 4" H99ICT, 5" H5ICAT, 6" H7ICAT. All are IC rated new construction cans.
The local big box stores only caries Halo or Utilitech. And in my experience with other utilitech product, they are quite cheaply made. So I'm going with Halos.

I do not see on their website any photometric data.
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Old 02-28-2011, 09:04 PM   #5
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Recessed lighting, 4" vs 5" vs 6"


yep, missed that

I can't seem to find the photometric data either. It used to be available. Not sure why they don't have it now. Sorry about that. Maybe when Frenchelectrician (marc) pops in he will have a source for it.
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Old 02-28-2011, 09:20 PM   #6
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Recessed lighting, 4" vs 5" vs 6"


I found this.
Hope it helps some.

http://www.cooperlighting.com/conten...ion_guide1.cfm
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Old 03-01-2011, 03:09 AM   #7
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Recessed lighting, 4" vs 5" vs 6"


something i find strange is that the 4" are more than double the price of either the 5" or 6". At the quantity I need, I'd be saving a lot of money going with something larger...
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Old 03-01-2011, 03:13 AM   #8
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Recessed lighting, 4" vs 5" vs 6"


Acerunner .,

Give me at least 24 hours I will have at least couple info what you are looking for and JB fan did have one good link there.

Really for myself I will stick to 6 inch housing they are cheaper than 4 or 5 inch housing.

The smaller housing type I use them for specfic use only but have to watch out on wattage rating as you are allready aware.

The wattage rating will varies a bit I know you will use the new construction cans but read the wattage restriction if you have no insluating matearls next to it you can run higher wattage rating { only if that meet the requirment }

Normally I used Halo or Juno that is the two most common one I get.

Merci.
Marc
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Old 03-01-2011, 08:27 AM   #9
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Recessed lighting, 4" vs 5" vs 6"


Personally, I use 6" for almost everything however if i can figure out my closet lighting i may use 4" in there.
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Old 03-01-2011, 08:49 PM   #10
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Recessed lighting, 4" vs 5" vs 6"


Acerunner.,

There are few tricks I deal with common 6 inch housing is use diffrent variations of trims that will do the tricks for the living room and kitchen area the baffle trim do the trick just countersink the bulbs a little but not too much so keep the glare down a bit.

However in Kitchen area you have to becarefull with recessed can lay out espcally if you have cabents that will affect the way you set the cans so try to set the cans about 18 to 22 inches from the cabents and use the baffle trim that will keep the harshness reduced for rest of the area the standard open trim will work just fine.

If you going to use the CFL or LED bulbs this may change the way you use the trims so if you going that route let us know there is couple trims that will really help a bit on that however I am allready aware that the LED bulbs are not too cheap ATM.,, but they are slowly getting there and also not all LED or CFL are really compatable with dimmer so that is other item you have to watch out.

Most common bulb for standard indentscent is BR30 shape 65 watts size which that is pretty common one There is CFL verison should work simauir to this.

Merci.
Marc
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Old 03-01-2011, 09:18 PM   #11
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Recessed lighting, 4" vs 5" vs 6"


Thanks for the detailed post, marc.

I will be placing the ones for the kitchen directly above the edge of the counters. This is according to some guidelines I found regarding recessed lighting layout for the kitchen.

I will not be using cfl or leds for this. The cost is still very prohibitive. But I might have to use cfl for the kitchen tho because of california's energy code. Dimmable cfls are even more expensive because if I understand correctly, you need special dimmer for that.

Last edited by acerunner; 03-01-2011 at 09:21 PM.
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Old 03-01-2011, 09:41 PM   #12
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Recessed lighting, 4" vs 5" vs 6"


Quote:
Originally Posted by acerunner View Post
Thanks for the detailed post, marc.

I will be placing the ones for the kitchen directly above the edge of the counters. This is according to some guidelines I found regarding recessed lighting layout for the kitchen.

I will not be using cfl or leds for this. The cost is still very prohibitive. But I might have to use cfl for the kitchen tho because of california's energy code. Dimmable cfls are even more expensive because if I understand correctly, you need special dimmer for that.
Acerunner.,

Not a problem at all I am glad to help you on this one and Yeah ., I know when you mention Californiť code requirement and they are very picky on that.

For non dimmable CFL verison they can be hardwired { not the screw in bulbs type that will NOT count for Californiť requirment } that is not a issue but if you want to stay with indentscent bulbs then either have motion sensor or timer or dimmer { I rather use the dimmer over the Motion sensor or timer }

The cost to use the dimmer is not too bad depending on what style dimmer you use and they will really save the bulb life in big time and the same time you can save engery as well.

I just want to remind you about 2011 NEC code cycle I know Californiť is not there yet but make sure you have netural in the switch box in case you have to use the electronic timer or dimmer which they required netural.

Ok before I get too far off the track on this matter if you going to get pretty close to the edge of cabient then use the baffle trim that will reduce the glare than standard open trim.
I have tried both way the baffle looks little better than open trim type.

And some screw in CFL can use standard dimmer and some require electronic timer { that part you have to check it out }

Hardwired CFL some can use standard dimmer but some required electronic dimmer but all it depending on the ballast manufacter.

Merci.
Marc
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Old 03-01-2011, 10:40 PM   #13
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Recessed lighting, 4" vs 5" vs 6"


I've used the 6" pre-pak Halo kits w/trims
A case of 6 was running $45-50
In the kitchen I installed 4" that take the CFL with 4 pins
They were marked down so cost was very low
But in most areas I will use the 6"
Very possible when I redo the kitchen I will change to 6"

I bought a bunch of CFL's when they had $4 instant off coupons here
Now they are about $1 per reg CFL, dimmable are more
Kitchen used to use over 300w & it was dimmly lit
Now with 7 cfl cans & cfl bulbs I use 104w if all are on
Usually just 4 are on = 52w
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Old 03-02-2011, 01:44 AM   #14
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Recessed lighting, 4" vs 5" vs 6"


Quote:
Originally Posted by frenchelectrican
just want to remind you about 2011 NEC code cycle I know Californiť is not there yet but make sure you have netural in the switch box in case you have to use the electronic timer or dimmer which they required netural
Does simply having dimers allow me to meet the california code? Or is that something else you're talking about.
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Old 03-02-2011, 07:33 AM   #15
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Recessed lighting, 4" vs 5" vs 6"


The way I understand California's Title 24 is that the fixtures cannot allow incandescent screw-in bulbs. The fixtures must use something like the 4 pin fluorescent type bulb that cannot be changed to incandescent at a later date.

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