Niger.

220 V · 50 Hz on Type C, Type E, Type A, Type B, Type D, Type F.

The IEC records six plug types here — A, B, C, D, E and F — at 220 V and 50 Hz, though French-style C and E are the everyday reality. A universal adapter covers the whole spread, and a plain two-pin europlug fits the majority of outlets.

The voltage window

A nominal 220 V supply may legitimately sit anywhere between 198 and 242 V (±10%). Dual-voltage gear (marked 100–240 V) shrugs at all of it.

Grid facts verified against IEC World Plugs — Niger. Prose is our own.

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Plug straight in — Niger runs 220 V 50 Hz on Type C, Type E, Type A, Type B, Type D, Type F — and your 120 V appliances need to be dual-voltage or transformed, adapter or not.

Type A fits
Seats fine — this plug is unearthed by design.
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Type B fits
Seats and keeps its earth.
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Faces drawn to scale from pin dimensions · verdicts are physical fit + voltage math, not safety advice — when in doubt, ask the hardware store, not the internet.