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zinnah

My, possible, Title 24 solution

19 years ago

I have been trying to conform to the title 24 regulations and have posted previously about this in casting about for a solution. Recently jennm expressed well the the dilemma in trying to create a two tiered lighting layout when having fluorescents blazing just won't do. Besides the issue of having incandescent wattage not exceed the wattage of the fluorescents, any recessed fixtures must also be airtight if they are being installed in an insulated space. We have a fairly small kitchen and a combination of above cabinet strips for bouncing off the ceiling, under cabinet lighting and a surface light should light the kitchen well with 125-150 watts. I have experimented with various low wattage halogen, xenon, and led fixtures and lamps. A vexing part of title 24 is that fixtures are not rated at the wattage you might use but at the maximum wattage that is possible in the fixture. Recessed mr16 fixtures are rated at 50 watts which in my example above would allow us 3 fixtures max. We have found 20 watt mr16 lamps generally to be adequate. A key to working with t24 is to have fixtures rated at no more than 20 watts. I am finding that fixtures designed for under cabinet lights, recessed, pucks, and triangular surface mounted fixtures shed an adequate amount of light when placed at ceiling height especially when combined with fluorescent under cabinet light. Light is not perfect, but since they will probably be used when dimming is called for, I believe they will work. Hera makes 18 watt xenons that do not heat up like halogens. Another possibility is Ambiance by Seagull, a accent light system with proprietary housings and various trims, including some eyeballs for directional lighting. The 20 watt mr11 is particularly interesting. Using any of these fixtures based on my fluorescent "allowance" gives me 6-8 20 watt fixtures, sufficient for my needs. All are low voltage and run off remote transformers and therefore dimmable. As our kitchen will be quite modern I have more freedom in creating an installation solution. Currently my plan is to suspend a panel of a shape tbd from our 9' ceiling. This panel would large be 8' +- and have the lightings installed in or on it and become a decorative feature. By suspending the panel, the ceiling is not penetrated and the airtight requirement of t24 is not violated. Any comments from any of the resident experts? Of course I could just cheat and retrofit later. A sidebar if any one has gotten this far, I tried a 9 watt led lamp with a conventional base, a mr16 base is an option, and it did shed a reasonable amount of light, though not as much as a 20 watt mr16. I tried the warm white and it had a sickly green color cast. The cool white might be better. Pricey at $38 from Lumiabulbs.

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