A plug in power line module apparatus, e.g., removable to be for plug and play. The apparatus has a removable housing member, which has an outer region and an inner region. In a preferred embodiment, the housing member has a width, a length, and a depth. The apparatus has a first prong and a second prong...http://www.google.de/patents/US20080165463?utm_source=gb-gplus-sharePatent US20080165463 - THERMAL MANAGEMENT METHOD AND DEVICE FOR POWERLINE COMMUNICATIONS