Provided are a plug that makes it possible to readily connect a power supply such as a solar battery or fuel cell to an external load or system power and to enhance safety, as well as a power converter and power generating apparatus having the plug. The plug has a movable insulating member for covering...http://www.google.ca/patents/US6770986?utm_source=gb-gplus-sharePatent US6770986 - Power converter, power generating apparatus and plug
