Don’t require power plug adapter while traveling from Japan to El Salvador.

Here's why you do not need an adapter

The outlet and plug type used in El Salvador are A and B and in Japan are A and B and they are compatible with each other.

Japan

In Japan, outlets of type A and B are in use.

Type A

Type B

El Salvador

In El Salvador, outlets of type A and B are in use.

Type A

Type B