4 PLM Series Quick Start and Field Reference Guide rev 1.0.62. Approvals2. ApprovalsThis equipment conforms to the requirements of the EMC Directive 2004/108/EC and the requirements of the LowVoltage Directive 2006/95/EC.Standards applied: EMC Emission EN55103-1, E3EMC Immunity EN55103-2, E3, with S/N below 1% at normal operation level.Electrical Safety EN60065, Class IThis equipment is tested and approved according to the U.S. safety standard ANSI/ UL 60065 and Canadian safetystandard CSA C22.2 NO. 60065. ETL made the tests and they are a Nationally Recognized Testing Laboratory(NRTL).3. Warnings3.1 Explanation of Graphical SymbolsThe lightning symbol within a triangle is intended to alert the user to the presence of un-insulated “dangerous voltages”within the unit’s chassis that may be of sufficient magnitude to constitute a risk of electric shock to humans.The exclamation point within a triangle is intended to alert the user to presence of important operating and service instruc-tions in the literature accompanying the product.3.1.1 WARNING3.1.2 CAUTIONTo reduce the risk of fire or electric shock, do not remove screws. No user-serviceable parts inside. Refer servicing toqualified service personnelTo reduce risk of fire or electric shock, do not expose this apparatus to rain or moisture.Do not expose this system/apparatus to dripping or splashing and ensure that no objects filled with liquids, such as vases,are placed on the apparatus.L’appareil ne doit pas être exposé à des egouttements d’eau ou des éclaboussures et de plus qu’aucun objet rempli deliquide tel que des vases ne doit pas être placé sur l’appareil.This apparatus must be connected to a mains socket outlet with a protectiveearthing connection.Cet appareil doi t être raccordé á une prise de courant qui est branchée à la terre.The mains plug is used as a disconnect device and shall remain readily operable.Lorsque la prise du réseau d’alimentation est utilisés comme dispositif de déconnexion, ce dispositif doit demeuréaisément accessible.