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United States · Type A/B · 120V

United States Power Plug & Voltage Guide

United States uses the same plug type and a similar voltage to the US — no adapter needed.

Want the full guide? Get a PDF with plug details and adapter-vs-converter guidance for United States — free.

United States at a glance

Plug typesA, B
Voltage120V
Frequency60Hz
US standardType A/B, 120V, 60Hz

Type A (flat parallel pins, ungrounded (US/Canada/Japan style)), Type B (flat parallel pins plus a round ground pin (US/Canada style)).

Frequently asked questions

What plug type does United States use?

United States uses Type A (flat parallel pins, ungrounded (US/Canada/Japan style)), Type B (flat parallel pins plus a round ground pin (US/Canada style)).

Do I need a plug adapter for United States from the US?

No — United States uses the same plug shape as the US, so a standard US plug fits without an adapter.

What voltage does United States run on?

United States runs on 120V at 60Hz, close enough to the US standard of 120V that most devices work fine.

Do I need a voltage converter for United States?

Most modern electronics (phone and laptop chargers) are dual-voltage (100-240V) and only need a plug adapter, not a converter. Single-voltage, high-wattage devices like hair dryers or straighteners may need an actual voltage converter — check the label near the plug prongs for the input voltage range.