247Keysight N9923A Handheld AnalyzerUser’s Guide17 Safety ConsiderationsKeysight has designed and tested the FieldFox in accordance with IECPublication 61010-1Safety Requirements for Electrical Equipment forMeasurement, Control and Laboratory Use, and the FieldFox is supplied in asafe condition. The FieldFox is also designed for use in Installation Category IIand pollution Degree 2 per IEC 61010-1. Read the following safety noticescarefully before you start to use this FieldFox to ensure safe operation and tomaintain the product in a safe condition.