Don’t require power plug adapter while traveling from Japan to United States Virgin Islands.

Here's why you do not need an adapter

The outlet and plug type used in United States Virgin Islands 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

United States Virgin Islands

In United States Virgin Islands, outlets of type A and B are in use.

Type A

Type B