Travel adapter from United States to Jamaica
No Adapter Needed
You will not need a plug adapter — United States and Jamaica share at least one common plug shape (Type A, Type B). The mains frequency is also different (60 Hz vs 50 Hz). This rarely matters for electronics but can affect motor-driven devices like clocks and shavers.
United States (home)
✓
Type A
Two flat parallel pins
✓
Type B
Two flat pins + round ground
Jamaica (destination)
Electrical specs
United States
120 V
60 Hz
= Match
Jamaica
110 V
50 Hz
〜 Frequency differs (60 Hz vs 50 Hz). Rarely an issue for most electronics, but can affect motor-driven devices like clocks and shavers.
More about plugs in Jamaica
In Jamaica, the standard power plug is Type A and Type B. The country runs on 110 volts at 50 Hz. That means wall sockets in Jamaica can be one of 2 different shapes — Type A, Type B, and your plug needs to physically match the socket to fit.