The complete assembly results in operative components that sit flush with the surrounding wall surface, without visible cover plates. US Utility Patents 7,956,295 and 8,232,482.
22 tamper-resistant outlets and mounting plates are rated to UL and CSA standards, and are available for purchase in our online store or through our network of representatives. 22 tamper-resistant outlets are sold as full assemblies (see here), which include the specified back plate and outlet in one package. These outlets are available in 15A and 20A for North American plugs only.