Verifying Your Test Fixturing Using wires to test your wires? When using automatic test equipment to test wiring harnesses, you are not only testing your Device Under Test (DUT) you…

Production Testing Guidelines This table recommends guidelines for production testing of wired assemblies.  These guidelines are not meant to replace the various ASME, ASTM, DOD:MIL, NASA, UL, NEC, ITA, ANSI,…

Understanding Cable Test Results Expected Resistance Actual Resistance Meaning of Result Very Low Very Low Good connection between points we want connected. Very Low Not Very Low Bad connection between…

Guidelines for Setting Resistance Test Thresholds Among other things, cable testers are used to ensure that cable assemblies do not have OPENS or SHORTS. In simple terms it looks like…

Where to Start - Part 2 How do we test for something we cannot always see? Some folks still do it the old-fashioned way: make the assembly, plug it into…

Guidelines for Testing Components Test Situation Considerations Test coverage with simple continuity (pattern only) testers Continuity testers check only the pattern of connections. These testers treat passive components (resistors, diodes,…

Will Low Voltage Testing Damage Components? When you need to test a cable, harness, or PCB assembly that contains components, you may wonder if a low voltage cable tester will…

Cable Testing Glossary Term Definition connections The continuous electrical path between 2 or more points wherein current flows. The path is constructed with metal parts, such as copper wire, contacts,…

Should Connector Shells and Unused Contacts be Tested? Question 1: Should "Unused Contacts" be Tested? Best practice is to test every point in every connector. Sometimes people will scrimp on…