What are the standards for wire harness inspection? What are the specific standards?

A wire harness is a collection of wires or cables used to connect different parts or components in an electronic device. Wiring harness inspection standards are a series of guidelines and specifications formulated to ensure that the quality and performance of wiring harness meet specific requirements in the process of design, manufacture and use. Some common harness inspection criteria are described below. 1.IPC/WHMA-A-620: This is the wiring harness assembly standard jointly developed by the IPC (International Federation of Electronics Industries) and the WHMA (World Wire and Cable Assembly Association). This standard describes in detail the design, manufacturing and acceptance requirements of wire harnesses, including provisions on electrical characteristics, harness length, wire installation, insulation, identification, etc. 2.UL 758: This is a standard published by Underwriters Laboratories that covers electrical performance and safety requirements for wires, cables, and wire harnesses. UL 758 requires wiring harnesses to meet specific standards and requirements for electrical testing, insulation performance, heat resistance, fire resistance, etc. 3. DIN 72551: This is a wiring harness inspection standard issued by the German Organization for Standardization (DIN), which is applicable to automotive and mechanical equipment and other fields. It includes the appearance requirements, electrical characteristics, heat resistance, oil resistance, water resistance and other provisions of the harness. 4.JIS C 3406: This is a wiring harness inspection standard issued by Japanese Industrial Standard (JIS), which is mainly applicable to electronic and communication equipment. It includes the appearance, size, electrical characteristics, insulation performance, heat resistance and other requirements of the harness. 5. ISO 6722: This is a wiring harness standard issued by the International Organization for Standardization (ISO) for the automotive industry. ISO 6722 specifies material requirements, wire diameters, electrical characteristics, heat resistance, flame resistance, etc. For wire harnesses. These standards usually include the appearance requirements, size requirements, electrical characteristics, insulation performance, heat resistance, flame resistance, oil resistance, water resistance, weather resistance, marking requirements and other aspects of the wiring harness. They are designed to ensure the quality, reliability and safety of the harness to suit the needs of different industries and applications. Harness manufacturers and users can select appropriate harness inspection standards for testing and acceptance according to specific application areas and requirements. Compliance with these standards helps ensure that the harness performs as expected and reduces possible failures and safety risks.

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