This is a inspection elbow. This inspection elbow an accessory for your PVC conduit. This allows you to corner your conduit and a 90 degree angle. This also allows you to remove the top to inspect and check on the wires inside. Using this will allow for all your wires to be neatly tucked away and out of sight. PVC conduit is only suitable for indoor use, or in garages, sheds. However can not be exposed to the elements.