The standard voltage is 220 V and the standard frequency is 60 Hz.
In the Philippines the power plugs and sockets are of type A, B and C.
Type A: mainly used in North and Central America, China and Japan. This socket only works with plug A.
Type B: like type A but with an extra prong for grounding. This socket also works with plug A.
Type C: also known as the standard "Euro" plug. This socket also works with plug E and plug F.