Class 3: High Performance/Harsh Environment.
Typically, the end-use environment would not cause failures. It is an important piece to the process, materials, and inspections standard for the cable and wire harness industry. If the User does not establish and document the acceptance Class, the Manufacturer may do so. The User has the ultimate responsibility for identifying the Class to which the assembly is evaluated. Use of the IPC/WHMA-A-620 standard requires agreement on the Class to which the product belongs.
