Belgium.

230 V · 50 Hz on Type E, Type C.

Belgium follows the French pattern: Type E sockets with a protruding earth pin, at 230 V and 50 Hz. Europlugs and the hybrid earthed plugs on most continental appliances fit without complaint, so the E-versus-Schuko distinction rarely matters in practice. UK and North American visitors need adapters, the latter also dual-voltage gear.

The voltage window

A nominal 230 V supply may legitimately sit anywhere between 207 and 253 V (±10%). Dual-voltage gear (marked 100–240 V) shrugs at all of it.

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

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Pack an adapter — Belgium runs 230 V 50 Hz on Type E, Type C — and your 120 V appliances need to be dual-voltage or transformed, adapter or not.

Type A needs an adapter
Belgium's Type E / Type C sockets don't take a Type A plug.
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Type B needs an adapter
Belgium's Type E / Type C sockets don't take a Type B plug.
the full story

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.