WT Lighting | The home of good lighting WT Lighting has a large range of Indoor and Exterior lighting, in a variety of sizes and styles to suit every home or business property. There is something for everyone including modern, contemporary WT Lighting has a large range of Indoor and Exterior lighting, in a variety of sizes and styles to suit every home or business property. There is something for everyone including modern, contemporary and traditional styles, available in ceiling lights, wall lights, table and floor lamps and other accessories.