Type B Power Plug & Socket
Type B plugs have two flat parallel pins plus a grounding pin. This is the grounded version of Type A and is the standard in North America.
Standard: NEMA 5-15
Pin Configuration: Two flat parallel pins plus round grounding pin (4.8mm diameter)
Usage Notes: Type B is backward compatible with Type A outlets for ungrounded devices. The grounding pin provides additional safety for appliances.
Plug
Type B
Plug & Socket
Type B
Socket
Type B
Countries Using Type B Plugs
Africa (1)
Europe (1)
North America (6)
Caribbean (20)
Central America (7)
About Type B Plugs and Sockets
Type B plugs have two flat parallel pins plus a grounding pin. This is the grounded version of Type A and is the standard in North America.
Technical Specifications
- Standard Name: NEMA 5-15
- Number of Pins: 3
- Grounding: Yes
- Amperage Rating: 15A
- Voltage Range: 100-127V
- Countries Using: 51
Where Type B is Used
Type B plugs are primarily used in North and Central America, Japan. This plug type is found in 51 countries and territories. Check the country list below for the complete list of locations using Type B outlets.
Important Usage Notes
Type B is backward compatible with Type A outlets for ungrounded devices. The grounding pin provides additional safety for appliances.
Travel Tips
If you're traveling to a country that uses Type B outlets and your devices use a different plug type, you'll need a travel adapter. Make sure to also check the voltage compatibility - most modern electronics are dual-voltage (100-240V), but appliances like hair dryers may need a converter.