B90 LOW IMPEDANCE BUS DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL 1-1B90 Low Impedance Bus Differential SystemChapter 1: IntroductionIntroductionThis chapter outlines safety and technical support information.1.1 Safety symbols and definitionsBefore attempting to install or use the device, review all safety indicators in this document to help prevent injury,equipment damage, or downtime.The following safety and equipment symbols are used in this document.1.1.1 General cautions and warningsThe following general safety precautions and warnings apply.Follow the requirements of this manual, including adequate wiring size and type, terminal torque settings, voltage,current magnitudes applied, and adequate isolation/clearance in external wiring from high to low voltage circuits.Use the device only for its intended purpose and application.Ensure that all ground paths are uncompromised for safety purposes during device operation and service.Ensure that the control power applied to the device, the alternating current (AC), and voltage input match the ratingsspecified on the relay nameplate. Do not apply current or voltage in excess of the specified limits.Indicates a hazardous situation which, if not avoided, will result in death or serious injury.Indicates a hazardous situation which, if not avoided, could result in death or serious injury.Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.Indicates practices not related to personal injury.Ensure that all connections to the product are correct so as to avoid accidental risk of shockand/or fire, for example such as can arise from high voltage connected to low voltage terminals.
