Electrical circuit installation in wall - has decorative front plate flush with wall surface with box at rear containing circuit

摘要

An electrical circuit component is built into the plaster in a wall in a building. It has an exterior plate (4) flush with the surface of the wall; the plate is pierced with holes to accommodate fixing screws. Other holes may be provided purely as decoration. The installation is of the monobloc type. There is a casing behind the exterior plate containing the electrical equipment such as a switch or a socket.