A power generation system (40) including an interchangeability component connecting device is provided. The system preferably includes an outer housing (60), an inner housing (50), a power generator (70), interchangeable main and neutral leads (102, 116), main side (84) and neutral side (94) current...http://www.google.com.au/patents/US6538339?utm_source=gb-gplus-sharePatent US6538339 - Power generation system interchangeability device and related methods