WHMA Excess Inventory Listserv

WHMA/IPC is pleased to announce a NEW member benefit for Wiring Harness Manufacturer’s members that addresses the industry’s challenge to find inventory. The WHMA Excess Inventory Listserv is a mail list system for posting/searching excess inventory. This service is Free and Exclusively for WHMA members.

Call for Participation

WHMA/IPC plans to expand the Educational Offerings at EWPTE in support of our mission to lead, educate and connect with companies in the cable and wire harness industry. We invite engineers, researchers, academics, technical experts, and industry leaders to submit technical conference abstracts for the Electrical Wire Processing Technology Expo (EWPTE), to be held May 10-12, 2022 at the Wisconsin Center in Milwaukee, WI.

Member Promotion

Join WHMA/IPC and receive a 50% Discount for First Time Membership

Harness the Power of TWO Industry Organization with One Membership

2022 WHMA 29th Annual Wire Harness Conference

February 15-17, 2022 | Tucson, Arizona


IPC/WHMA-A-620D, Delivers Improved Performance and Acceptance Requirements for Cable and Wire Harness Assemblies. Update your company’s library today with the most current Revision for the requirements and acceptance of cable and wire harness assemblies.

“For me the value of WHMA has always been in the networking. As a supplier member, WHMA offers me the opportunity to meet and mingle with the Owners and other upper level management of my target customers.”


They are recognized in the Cable and Wire Harness Industry through their understanding of the value of the IPC/WHMA-A-620 certification – the worldwide benchmark for quality workmanship. These manufacturers stay ahead of the competition by networking with leading manufacturers and suppliers and staying up-to-date on industry best practices and reports.


They are an integral part of the association with their cutting edge, innovative solutions.  They have the unique opportunity to collaborate with leading cable assembly and wire harness manufacturers, OEMs and other suppliers worldwide. These knowledge exchanges provide WHMA and their customers with countless valuable resources.


The following markets depend on WHMA manufacturers to supply the highest quality wiring solutions and care about the importance of cable and wire harness workmanship standards such as IPC/WHMA-A-620.

Wire Industry Update

IPC-WHMA-A-620 Gets an Update

IPC-WHMA-A-620 Gets an Update

"Four years after this last revision, IPC and WHMA recently published revision D of their popular A-620 standard for cable and wire harness assembly." Rulebooks are multifaceted things. On the one hand, they are intentionally restrictive to ensure the proper order of...

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Overview of 48-Volt Systems in the Automotive Industry

Overview of 48-Volt Systems in the Automotive Industry

An emerging trend in automotive electrical infrastructure is the development and implementation of 48-volt systems. This article deals with the history of the system’s development and the rationale for this new architecture. There is a companion article...

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You can have the ideal connector and cable for your application, but the wrong method of attaching that connector to the cable can result in an unreliable, problematic connection. Creating connections for cables involves one of two methods: soldering or crimping. Both...

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The IPC/WHMA-A-620 Standard

The IPC/WHMA-A-620 Standard remains the only industry-consensus standard for Requirements and Acceptance of Cable and Wire Harness Assemblies.

Upcoming Events

May 10

Electrical Wire Processing Technology Expo 2022

May 10, 2022 - May 12, 2022
Wisconsin Center
Milwaukee WI
United States
Sep 21

M-EXPO Wire Processing Technology 2022

September 21, 2022 - September 22, 2022

Industry Job Posting

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