This part of IEC 60512, when required by the detail specification, is used for testing connectors within the scope of technical committee 48. This test may also be used for similar devices when specified in a detail specification. The object of this document is to detail a standard test method to assess the effectiveness of the contact retaining system to withstand axial loads likely to be encountered during normal use. The contact retaining system may retain the contact in an insert or directly into a housing.