Abstract: A light fitting and method for illuminating the exterior of spas, swimming pools, hot tubs, garden baths, and the like, the light fitting having a base component mounted through a spa wall; a lens or light diffuser on an exterior end of the base component; a light source on, in, or proximal to an interior end of the base component; a light clip for retaining the light source on, in, or proximal to the base component; a light shade located on or proximal to the exterior end of the base component; and an attachment plate for attaching the light shade onto the base component via a mounting support; the base component having a cylindrical hollow body having a hollow interior, a first end located within the spa wall, and a second end located proximal to the spa wall, with the mounting support being attached to the cylindrical hollow body.

Abstract: A light fitting and method for illuminating the exterior of spas, swimming pools, hot tubs, garden baths, and the like, the light fitting having a base component mounted through a spa wall; a lens or light diffuser on an exterior end of the base component; a light source on, in, or proximal to an interior end of the base component; a light clip for retaining the light source on, in, or proximal to the base component; a light shade located on or proximal to the exterior end of the base component; and an attachment plate for attaching the light shade onto the base component via a mounting support; the base component having a cylindrical hollow body having a hollow interior, a first end located within the spa wall, and a second end located proximal to the spa wall, with the mounting support being attached to the cylindrical hollow body.

Abstract: A closure assembly for pressure vessels comprising a hollow pressure vessel having an internal cylindrical surface, a cylindrical end plug slidably mounted in the pressure vessel and contacting the internal cylindrical surface, the internal cylindrical surface having a first continuous circular groove to receive a segmented ring which retains the cylindrical end plug in the pressure vessel, and the cylindrical end plug having a second continuous circular groove to receive an O-ring seal, the second continuous circular groove having a ramped bottom and two substantially vertical side walls.