Montserrat.

230 V · 60 Hz on Type A, Type B.

An oddity worth knowing about: the supply is 230 V but at 60 Hz, delivered through American-style Type A and B sockets. A US plug fits perfectly, yet feeding a 120 V-only appliance here will damage it — check for dual-voltage markings before using the wall.

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 — Montserrat. Prose is our own.

Calling codes by Dialchord

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Coming here from somewhere else?

Plug straight in — Montserrat runs 230 V 60 Hz on Type A, Type B — and your 120 V appliances need to be dual-voltage or transformed, adapter or not.

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.