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Posted by John Grabowski on February 21, 2008, 6:53 am
>
>>
>>>I am going to replace some of my existing recessed lights, and when I
>>>took one off and measured the knock out hole, it is exactly 7" in
>>>diameter. I thought that means I have a 7" housing but when I visited
>>>various web sites and looked at their 6" lights, most of them have a
>>>diameter larger than 6", may be 6.25", or 6.5"...is there anyway to
>>>ensure that the housing will fit? I don't want to have to enlarge the
>>>hole because those are all T4 plywood soffit.
>>>
>>> If a 6" housing can measure different diameters, I guess it follows that
>>> trims and housings of the same size may not match up?
>>>
>>> MC
>>
>> You need to find what manufacturer made the fixtures. Everyone uses
>> different measurements and socket arrangements etc. Something should be
>> printed inside the trim or housing, or take a picture of the thing and
>> post it
>>
>>>
>>>
>>
>>
> I checked and there is no mark inside the housing, it's pretty corroded
> and it's 35 years old.
Try taking the sample to some electric supply companies or lighting
showrooms to match it up. In the Halo catalog the actual dimensions of the
housing are published. If you can, take a picture of the inside and outside
of the fixture and post it.
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