Matsushita Electric Works Original Metal Plates - Set of 8 - Outlet and Switch Covers - Rare These outlet and switch covers are from about 45 years ago. Genuine Matsushita Electric Works (National) products, and are rare items. Made of metal with a high-class and heavy feel. Perfect for those who like Showa-era designs or antiques. *Please understand that these items have aged over time before purchasing. *Please refrain from ordering if you are in Okinawa!