Saint Lucia.

240 V · 50 Hz on Type G.

Type GBritish 13 A plug13 A · earthed

Saint Lucia runs British-style Type G sockets on a 240 V, 50 Hz supply, so UK plugs work as-is. North American visitors need both a plug adapter and dual-voltage equipment, since 120 V-only appliances will not survive the wall here.

The voltage window

A nominal 240 V supply may legitimately sit anywhere between 216 and 264 V (±10%). Dual-voltage gear (marked 100–240 V) shrugs at all of it.

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

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Pack an adapter — Saint Lucia runs 240 V 50 Hz on Type G — and your 120 V appliances need to be dual-voltage or transformed, adapter or not.

Type A needs an adapter
Saint Lucia's Type G sockets don't take a Type A plug.
the full story
Type B needs an adapter
Saint Lucia's Type G 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.