Power plugs & voltage in North America
Across North America's 23 countries, the most common socket standard is Type A (16 countries). Here is every one, color-coded by the plug it uses. Most also accept the Type C Europlug.
Mains voltage in North America
North America is mixed: 6 countries run on 230 V (220-240) and 17 on 120 V (100-127). Single-voltage devices need a converter where it differs from home.