Install duplex receptacles in the walls of every finished room or area so that no point along the floor line of any usable wall space is more than 1.8 m (6 feet) horizontally from a receptacle. The usable wall space includes a wall space of 900 mm (3 feet) or more in width but does not include doorways, windows that extend to the floor, fireplaces, or other permanent installations that would limit the use of the wall space. The receptacles consist of plastic, copper, brass, and steel

Q. What are the environmental impacts of the construction, distribution, and installation of this item and how does the building code requiring one every 6 feet in buildings affect this impact?