An interesting article in MadScientist magazine
Here we can see that the parts have been reassembled. The fluid described earlier has been pumped into the body cavities and I'm shown here removing the last hose. Just out of shot are the high voltage lines ready to be clamped onto the body. Luckily the current drain is fairly small but if you ARE concerned, you could always steal the power from your neighbours. A simple induction coil could work but why bother? The yokels are so stupid you might as well run an extension cord from their loungeroom.