WARNING SYSTEM FOR LEAVING

摘要

PURPOSE:To prevent a main power source of an OA equipment from being left without turning off at the time of leaving in an office environment where the OA equipment is installed. CONSTITUTION:A main power source 100 is connected to an electric lamp 120 through an electric lamp switch 110 and further, connected to plural connectors 141-145 through a main power source switch 130. The OA equipment is connected to these connectors. A main power source off missing proofing device 150 is connected to the connector 141 as one of these connectors. When a human being leaves, the proofing device 150 turns off only the electric lamp switch 110 but when the OFF of the main power source switch 130 is missed, warning is issued to the leaving person in reaction to the non-sensing of the illuminating light of the electric lamp 120. When the electric lamp switch 110 is turned off after the main power source switch 130 is turned off at the time of leaving, no power is supplied to the proofing device 150 so as not to operate proofing device 150.