I am looking to install 5 led lights in my kitchen. My wife and I have been looking art the Lithonia wafer lights. We currently have square recessed boxes in the ceiling and don't feel like making big holes to patch to take them out. The led lights come with their own small junction box, I was wondering if it is safe and follows code to have the junction box sit in the pre existing recessed box? We live in Vermont and don't know where to find state codes.