An electrical connector is disclosed with electrically contacting contact pins or contact sockets, such as plugs or couplings. The electrical connector exhibits on one side a receiver part. A light-guiding body made of a light-transmitting material with at least one illuminating body is inserted into...http://www.google.com.au/patents/US6336825?utm_source=gb-gplus-sharePatent US6336825 - Electrical connector with light-guiding body