I don't see a problem with your basic idea even the wood frame. However, it is necessary to add an electric box such as a metal "pancake" in which to terminate the romex and to mount the light fixture.

Our shelf and low stainless backsplash came with the Garland (prior to being rebadged as Bluestar) range. We purchased a "quilted" SS piece that goes up to the hood. Our shelf houses a pepper grinder, teapot, mortar & pestle and simmer plate, it's also useful for a slow, not-too-hot-to-touch warming of plates when the oven is on (and when you, ahem, remember to put the plates up there). I also stick the tea kettle up there when I need all four burners. Ours looks lower than the one in the first pic, and it's not too high to be functional, but even the kid in our house is over 5'8" so YMMV. Check with a kitchen place for the SS backsplash, ours was part of a display that was taken down when the pattern was updated, but I know you can order them. Some range manufacturers have shelves that can be purchased aftermarket. Good luck, sandyponder

Very classy and distinctive, and appears to be well-built out of heavier gauge metal. While I find light fixtures to often be overpriced, I think that particular one (at about $900) does not seem to be unreasonable. Since the manufacturer is a brand name known for high quality, the likelihood that you are going to find this somewhere else for more than half off is remote, unless it gets discontinued and you find a deal. You don't say what your intended purpose is for this fixture, but I will point out that it uses a single 60W bulb, so if this is for use in an area where you need more light, you should think about that.

There are so many chandelier companies online that if you keep looking, you'll eventually find this. I'd recommend starting with the Eurofase brand. Also check out some of the vintage lighting companies like Restoration Hardware.