You Do Need power plug adapter while traveling from Myanmar (Burma) to North Korea.

Here is Why You Need An Adapter

The outlet and plug type used in North Korea is C and in Myanmar (Burma) are A, C, D, G and I. This is how they look like.

Myanmar (Burma)

In Myanmar (Burma), outlets of type A, C, D, G and I are in use.

Type A

Type C

Type D

Type G

Type I

North Korea

In North Korea, outlets of type C are in use.

Type C