How to get a standard 230V supply element in Eagle?

I'm having trouble with Eagle. I have loaded all of the libraries available by default, and also the arduino provided library. But I'm not able to find any symbol that represend a 230V power supply. I know that it is not a concrete part that could be added, but come on! We also have symbols for ground, 5V+ and similar. Why don't we have a symbol for 230V AC power supply? Or maybe just I can't find it?

Also, I cannot find symbols for unregulated 24V AC power. Only +24V and -24V seems to be available. Please help me!

You can use any positive symbol you want, just change the name/value to what you need.