What is required for a reliable electrical connection in IPC-A-610?

A reliable electrical connection, as outlined in IPC-A-610, requires that the assembly demonstrates clear electrical continuity that is free from defects. This means that the connection must be able to conduct electricity effectively without interruptions or faults, ensuring that the circuitry functions as designed. The specification emphasizes the importance of a connection that is not only operational but also devoid of any physical defects, such as shorts, opens, or poor solder joints that could compromise performance.

In contrast, while visual appeal may contribute to overall quality, it does not guarantee that the electrical connection is functional. Using a single wire gauge throughout an assembly might not always be feasible or necessary, as different applications may require varied wire sizes based on electrical load and design parameters. Similarly, sourcing components from the same manufacturer is not a requirement for reliability; what matters is the quality and compatibility of the components used. Thus, the focus should be on the integrity of the electrical path and ensuring it is defect-free, making clear electrical continuity the essential criterion for a reliable connection as stipulated by IPC-A-610.