Cover plates for floor outlets are available for purchase at Home Depot, Amazon.com and Platt, as of 2016. These retailers also carry a variety of electrical wall outlet covers.
Home Depot carries floor outlet covers in brass, nickel plated and stainless steel. Covers are available in circular, square and rectangular designs. This retailer also offers box floor outlet kits, which include the cover, threaded plug, steel box and duplex device.
Amazon.com carries a variety of nonmetallic floor outlet covers. Flip plates, carpet plates, grounded adapters and replacement parts for various outlet types are also available. Some products can be purchased used from this retailer.