The IPC-whma-a-620d will always prescribe practices and requirements for manufacturing wire, cable, and harness assemblies. The standard will describe methods, materials, tests, and the acceptability criteria for producing mechanically secured, crimped, and soldered interconnections. It will focus on the related assembly activities too, which are secured with harness and cable assemblies. Any kind of method that produces assembly conforming to acceptability needs described in the IPC-whma-a-620d standard can be used over here. This standard sets some expectations between the members of WHMA