作者: David Alderson , Clifford G. Martin , Michael D. Williams
DOI:
关键词: Threaded fastener 、 Engineering 、 Cover (algebra) 、 Structural engineering 、 Receptacle
摘要: The present invention relates to an installation of a wiring device configured receive cover plate which snaps on such as switch or receptacle. With this invention, openings for threaded fasteners in the face are eliminated. In embodiment, has opening sized accommodate and supports, opposing side walls opening, at least one protrusion. protrusions located detachably engage corresponding is pressed onto device.