There's a socket for an accessory relay, which then makes the output wires hot when the ignition is on, and turns it off when the bike is off. If you don't use a relay, then it would be hot all the time at the + wire (the white/blue stripe one) at the access relay socket. The ground wires on the bike are black/yellow stripe, so there's one of those at the socket too. Sorry to refer you to a post, but it's pretty damn definitive with a diagram, etc: http://www.kawasakiversys.com/forums...2&postcount=17
You can monkey with it, or buy the correct factory accessory relay, plug it in, mount it to the factory bracket if you buy one or zip tie it somewhere if you don't, and either way you've got fused 5 amp electricity.
Obviously, if you don't use the correct factory accessory relay or rig your own, you risk running your battery down if whatever you've got connected to it is still on when your bike is not running.
You can of course bypass it completely and rig something to another switched circuit, but that's for another thread.
Someone can correct me if I've misstated anything.