IPC/WHMA-A620 Wire Harness Training Kit IPC/WHMA-A620 Wire Harness Training Kit . View Larger Version IPC/WHMA Compliant . The New A620 kit from Practical Components is designed to help companies meet industry standards for cable and wire harness assembly criteria. It helps teach the visual, electrical and mechanical quality acceptability requirements for cable, wire and harness IPC 620 CIT Wire Harness Assembly Instructor Training Workmanship standards and inspection criterion for cable and wire harness assemblies. This 4 day course was developed in conjunction with the WHMA, Wire Harness Manufacturing Association and is the industry standard for cable and wire harness fabrication and installation.