Dominican Republic Power Plugs, Wall Sockets & Electrical Outlets

120V
60Hz
3 Plug Types

In Dominican Republic, power plugs and sockets (electrical outlets) of Type A (NEMA 1-15, two flat parallel pins, ungrounded), Type B (NEMA 5-15, two flat parallel pins plus round grounding pin, grounded) and Type C (CEE 7/16 (Europlug), two round pins, ungrounded) are used. Wall sockets run at 120V and 60Hz. Check if you need a travel adapter, electrical adapter or voltage converter before travelling to Dominican Republic.

Dominican Republic Power Plugs, Wall Sockets & Electrical Outlets — Type A, Type B, Type C, 120V 60Hz
Type A · 2 pins · Ungrounded · Primary · NEMA 1-15
Type B · 3 pins · Grounded · NEMA 5-15
Type C · 2 pins · Ungrounded · CEE 7/16 (Europlug)

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Dominican Republic uses:

Type A Type B Type C

What Plug Type Does Dominican Republic Use?

A Dominican Republic power plug follows the North American standard, using both Type A and Type B connectors. Type A is the flat two-pin ungrounded plug found on NEMA 1-15 devices, while Type B adds a round grounding pin for a three-prong NEMA 5-15 connection. Most homes, hotels, and businesses across the country are wired with a socket-outlet that accepts either plug style, so travelers from the United States and Canada will find their devices fit without any adjustment.

Type A plugs are commonly used for small electronics, phone chargers, and lamps, while Type B is required for larger appliances, computers, and anything needing a grounded connection for safety. Because Type B outlets are backward compatible with Type A plugs, most wall socket fittings in the Dominican Republic can handle a wide range of devices brought from other NEMA-standard countries.

Dual-Voltage Devices and Dominican Republic

Many modern electronics, including laptop chargers, phone adapters, and camera battery chargers, are dual-voltage and designed to accept a range of input voltages. If your device is rated for 100-127V, it will work fine on the Dominican Republic's 120V, 60Hz electrical system without needing a converter—only a plug shape adapter if your prongs don't match Type A or Type B.

Is a Voltage Converter Necessary?

For travelers coming from the United States, Canada, or other 120V, 60Hz countries, a voltage converter is not necessary since the Dominican Republic uses the same electrical standard. Visitors from 220-240V regions using Type C Europlug devices should check whether their electronics are dual-voltage; if not, a step-down voltage converter will be needed alongside a plug adapter, since AC power plugs and sockets in the Dominican Republic are not compatible with round-pin European connectors without an adapter.

Electrical Standards in Dominican Republic: Voltage, Frequency & Plug Type

The Dominican Republic operates on a 120V, 60Hz electrical system, matching the standard used throughout most of North America. This means the country relies on NEMA-style plugs rather than the round-pin designs found in Europe or the Type C Europlug used across much of South America and Asia.

  • Voltage: 120V
  • Frequency: 60Hz
  • Plug Type A (NEMA 1-15): ungrounded, two flat parallel pins, rated 15A
  • Plug Type B (NEMA 5-15): grounded, two flat pins plus round grounding pin, rated 15A

Frequently Asked Questions

If you're traveling from a country that uses Type A or Type B plugs, such as the United States or Canada, you won't need an adapter since these are the standard plug types used throughout the Dominican Republic. Travelers from countries using other plug types, like Type C, will need a simple plug adapter to fit the local wall socket.

Pack a plug adapter if your devices use Type C, or other non-NEMA plug shapes, since Dominican Republic outlets are built for Type A and Type B pins. If your appliances aren't dual-voltage rated for 100-127V, you should also bring a voltage converter.

Yes, most modern phone chargers are dual-voltage and can handle the Dominican Republic's 120V, 60Hz supply without a converter. You'll only need a plug adapter if your charger's plug isn't already Type A or Type B.

The Dominican Republic uses a 120V electrical system running at 60Hz frequency. This matches the standard found in the United States and Canada, making it convenient for travelers from those regions.