http://en.wikipedia.org/wiki/Islanding
http://en.wikipedia.org/wiki/IEEE_1547
https://www.google.com/?gws_rd=ssl#q=ul1741+pdf
...if you wanted to power your house from a battery-fed inverter you'd have to install an automatic transfer switch, just like if you had a back-up generator.
http://en.wikipedia.org/wiki/Transfer_switch
http://powerequipment.honda.com/generators/connecting-a-gene...