Wall device

A wall device, comprising:

• a first metal piece, the first metal piece being a first live wire circuit;
• a second metal piece, the second metal piece being a second live wire circuit, and the second metal piece and the first metal piece being in parallel;
• a third metal piece, the third metal piece being an earth wire circuit, and the third metal piece and the second metal piece being in parallel;
• a fourth metal piece, the fourth metal piece being a neutral wire circuit, and the fourth metal piece and the third metal piece being in parallel;
• a protection plate, the protection plate comprising at least a set of socket holes and a cavity, wherein at least three sides of the cavity are respectively provided with a hole;
• and
• a power source base body, the power source base body configured to be positioned in a wall, and the power source base body comprising at least one accommodating space, wherein the protection plate is placed on the at least one accommodating space, and the at least one accommodating space is configured for placement of the first metal piece, the second metal piece, the third metal piece, and the fourth metal piece, and a plurality of partition plates are provided in the at least one accommodating space to separate positions of the first metal piece, the second metal piece, the third metal piece, and the fourth metal piece, so as to prevent the first metal piece, the second metal piece, the third metal piece, and the fourth metal piece from contacting in the accommodation space;
• and
• a socket cover plate, the socket cover plate being combined with the power source base body, the socket provided with at least one set of socket holes, and the at least one set of socket holes corresponding to the at least one set of socket holes of the protection plate, wherein the socket cover plate is combined with a contact piece, and the contact piece is provided with a first pin and a second pin, the first pin and the second pin of the contact piece of the socket cover plate passing through the holes on two sides of the cavity provided on the protection plate, wherein the first pin of the contact piece contacts the first metal piece, and the second pin of the contact piece contacts the second metal piece.