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How To Measure Recessed Lighting Can Size. Many people assume that size is determined by measuring outward from the trim. So a BR30 is 308 inches or three and 34 inches. Theyre good for accenting areas and can be used for task lighting. The depth of this plenum determines the size of the housing or can that you can install in that space.
These are available in a PAR 20 size for 4 recessed a PAR 30 size for 5 and 6 recessed and a PAR 38 size for 6 recessed fixtures. Measure your existing recessed light the diameter in inches not including the trim to figure out whether youll need to purchase a four five or six inch retrofit module. 10142020 Recessed lights are typically available in sizes ranging from 3 to 6 inches in diameter. Just select the layout enter the rooms dimensions and hit calculate. An MR11 is 118 inches. So you can swap out a PAR30 for an R30 or a BR30 - they are all the same size.
10142020 Recessed lights are typically available in sizes ranging from 3 to 6 inches in diameter.
If youre unsure of how many lights the room needs theres a calculator on this page that will help. Small ceilings should have recessed lighting with trim. An MR11 is 118 inches. 10142020 Recessed lights are typically available in sizes ranging from 3 to 6 inches in diameter. The number following the letters in a recessed light bulb indicates size. The size you need depends on how you plan to use the light and where the fixture will be located.
