Test plug in a plug casing for carrying out four-conductor tests on contact pins has a test plug casing, contact pins and pre-tensioned contact elements

摘要

A test plug (1) has a test plug casing (2) to fit in a test plug casing's retaining part. The test plug casing has a test end with a test opening for retaining a contact pin. In the test plug casing there are two contact elements that are pre-tensioned against each other in a test area accessible through the test opening so as to make contact with the contact pin on a second side.