IRVING, TX - The Plastics Pipe Institute, Inc. (PPI), has published a new, free guide related to the installation of plastic pressure pipe materials in the vicinity of recessed lighting fixtures, also ...

PITTSBURGH, Sept. 15, 2025 /PRNewswire/ -- "We wanted to create an innovative new form of recessed lighting with decorative cover shades," said one of two inventors, from Smithfield, R.I., "so we ...