Brazil Plug Adapter and Voltage Guide for Americans

Where these numbers come from

Brazil combines two separate problems. The plug is different from the US, and the voltage depends on where you are. The national plug standard is Type N, with three round pins, and the two-pin Type C also fits. Neither accepts American flat blades, so every traveler needs a Type N adapter.

Voltage is the harder issue. About 60 percent of households run at 127 V, including Sao Paulo and Rio de Janeiro. Much of the northeast and Brasilia run at 220 V. The two look identical, and some states contain towns with a different voltage. A 127 V supply is fine for 120 V gear, but the same device on 220 V receives nearly double.

Consider the arithmetic. A 1,500 W dryer built for 120 V has about 9.6 ohms of resistance. At 127 V it produces around 1,680 W, acceptable. At 220 V it would pull about 23 amps and dissipate roughly 5,000 W, which means it fails immediately. Since you cannot tell the supply from the outlet, read the hotel information or ask at the front desk.

Laptop and phone chargers marked 100-240 V solve the whole problem, leaving only the adapter. Some Brazilian hotels mark sockets, with red often signaling 220 V, but this is not a rule. If you travel between regions, treat each new hotel as unknown and confirm before using any device labeled for 120 V alone.

Brazil, unlike Mexico, demands both checks. If your itinerary continues to South Africa, the Type N adapter carries over in part, since both countries use Type N, although pin sizes differ slightly. Use the plug adapter finder to confirm each stop.

Finally, think about the return leg. If you are visiting cities in different regions, such as Sao Paulo and Salvador, the voltage can change between hotel stays, so your safe approach must repeat each time. Dual-voltage chargers remove that risk. For heavy users, a single universal travel adapter with USB ports keeps the kit small, and a photograph of each device label on your phone makes checking easy. Before you leave, photograph the label on each device and save the images on your phone. That way you can confirm input voltage and frequency in seconds if a hotel desk or shop asks, even without a signal.

Sources

• WorldStandards: Brazil plugs and voltage
• WorldStandards: plugs and sockets (ITA letter types)
• Wikipedia: Mains electricity by country
• Wikipedia: AC power plugs and sockets

Figures checked on September 30, 2026.

This page is general information, not legal, insurance or travel-agent advice. Fees, rules and limits change, so confirm the figures with the official sources listed above before you book or travel.