Nomadplug Wall Adapter Review: The World Traveller's Best Friend Who Is The Nomadplug For? The nomadplug is ideal for anyone who travels internationally The plug supports outlets in all 195 countries The nomadplug includes a USB-C charger for devices like cell phones and laptops Those who travel around the world know that there are several types of wall outlets in different countries. That makes it a little difficult to keep electronic devices charged. Nomadplug knows the pain of forgetting a wall adapter all too well, and has created a device that can convert an outlet in any country into the one that fits your electronics.