Description Concrete PVC, Pool Light Housing Niche are injection. A niche is the housing that holds a pool light in place. It is often embedded in the wall of the pool itself. Nicheless pool lights differ in that they are designed not to needs this. Instead, they are installed on the side walls of the pool. It creates a void or space in the pool wall where the fixture attaches from the front side and the light conduit to attaches on the back side. The light conduit is a plastic or copper tube for the electrical supply wire to feed power to the light fixture. It is mostly buried under the deck. Show More Show Less
