What is IPC/WHMA-A-620E?

The IPC/WHMA-A-620 standard prescribes practices and requirements for the manufacture of cable, wire and harness assemblies. The standard describes materials, methods, tests and acceptability criteria for producing crimped, mechanically secured and soldered interconnections, and the related assembly activities (corresponding lacing/restraining criteria) associated with cable and harness assemblies. Any method that produces an assembly conforming to the acceptability requirements described in this standard may be used.

IPC/WHMA-A-620 (Requirements and Acceptance for Cable and Wire Harness Assemblies),jointly developed by IPC (International Association of Electronic Industry Connections) and WHMA (Wiring Harness Manufacturer’s Association), is the most important guiding standard for process, material, and inspection management in the cable and harness industry, and the only widely recognized standard for cable and harness assembly requirements and acceptance in the industry. The standards and certification courses of IPC/WHMA-A-620 have been translated into multiple languages and are widely recognized by the global industry as acceptance standards for cable and harness products.

IPC/WHMA-A-620E is the latest released version, which was released in English in October 2022 and in Chinese in July 2023.The evolution of IPC/WHMA-A-620 version is as follows：

IPC/WHMA-A-620D – January 2020
IPC/WHMA-A-620C – January 2017
IPC/WHMA-A-620B with Amendment 1- August 2013
IPC/WHMA-A-620B – October 2012
IPC/WHMA-A-620A – July 2006
IPC/WHMA-A-620 – January 2002

Since 1957, IPC® has been guiding the electronic interconnection industry through its dramatic changes. A global trade association dedicated to the competitive excellence and financial success of its more than 3,300 member companies, IPC represents all facets of the industry including design, printed circuit board manufacturing and electronics assembly. As a member-driven organization and leading source for industry standards, training, market research and public policy advocacy, IPC supports programs to meet the needs of an estimated $2.02 trillion global electronics industry.

The Wiring Harness Manufacturer’s Association (WHMA) was established in 1993 and is dedicated to providing its members the technical support, access to leading edge technology and training and peer networking exchanges.Wiring Harness Manufacturer’s Association is the ONLY trade association exclusively representing the cable and wiring harness manufacturing industry including manufacturers, their suppliers and customers.

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