The table below summarises the plug types, voltage and frequency of electrical current in both Puerto Rico and Dominican Republic.
| Puerto Rico | Dominican Republic | |
|---|---|---|
| Plug Types | A, B | A |
| Voltage | 120V | 110V |
| Frequency of electrical current | 60Hz | 60Hz |
In Puerto Rico there's more than one plug type in use.
What type of plug does your appliance have?
No adaptor needed
Dominican Republic uses Socket Type A, which is the same as the plug type of your appliances from Puerto Rico. You will not need an adaptor.
You will need this adaptor:
Socket Type
(Puerto Rico) to Plug Type A
(Dominican Republic)
The voltages found in Puerto Rico (120V) and Dominican Republic (110V) are not exactly the same, but the difference is tolerable, so you should not need a transformer.
The frequency found in Puerto Rico and Dominican Republic is exactly the same (60Hz). Timing devices and appliances that use motors will function as expected under this frequency.