Safety device for network communication equipment

The invention provides a safety device for network communication equipment, and relates to the field of communication security, the safety device comprises a limiting plate, the limiting plate is installed at the front end of a main body, the top end of each control piece is provided with a rectangular block, the inner side and the outer side of each control piece are respectively provided with four rectangular plates, and a contact plate is installed in a groove of each control piece. A contact groove is formed in each contact plate, and the two sides of the bottom of each contact groove are of an inclined structure. After the limiting plate is installed, the control piece corresponds to the line jack in position, after a line is inserted and connected, the control line is inserted into the contact groove, meanwhile, the spring pushes the control piece to move, the line plug is pushed through the contact groove and the contact plate, the fixing effect of the plug is improved, the plug is prevented from loose