Class B DevicePlease note that this device has been approved for nonbusiness purposes and may be used in anyenvironment, including residential areas.MIC Class B Regulatory LabelIf the regulatory label includes the following marking, your computer is a Class B product.Polish Center for Testing and Certification NoticeThe equipment should draw power from a socket with an attached protection circuit (a 3-prong socket). Allequipment that works together (computer, monitor, printer, and so on) should have the same power supplysource.The phasing conductor of the room's electrical installation should have a reserve short-circuit protectiondevice in the form of a fuse with a nominal value no larger than 16 amperes (A).To completely switch off the equipment, the power supply cable must be removed from the power supplysocket, which should be located near the equipment and easily accessible.