North American citizens often see this little electrical face all around their houses and other places. The electrical outlets are fifteen inches in height and are usually present on a nearby outlet or wall. These nifty bodies have three basic holes that arranged in a very specific manner. They are globally similar in structure and are manufactured and established for a single task. The story of mechanical and electrical kind behind these ubiquitous wall outlets is an interesting one. The Hubbell plugs and the post standardization era The problems faced by engineers during the old days feels relatively small and...