ISO 7399:1990

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ISO 7399:1990 is an International Standard that specifies the electrical characteristics for alternating current (AC) flasher units used on motorcycles. It details the requirements for these AC flasher units when they are submitted for type-testing, focusing on units designed for 6V or 12V systems, according to the ISO - International Organization for Standardization. This standard ensures that AC flasher units meet specific performance and safety criteria.