PlugVoltage
Type J · Socket front · schematic, not to scale
Socket front · schematic, not to scale

Plug Types Type J

Type J plug & sockets

Three round pins (Switzerland and Liechtenstein). A Type J socket accepts the Europlug (Type C), but a Type J plug fits only a Type J socket. Many generic "Europe" adapters do not fit recessed Swiss sockets.

Grounding
Grounded
Countries in our data
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Check your device
A plug that fits is not proof of safe use. Check your device’s INPUT label and the destination voltage before plugging in.

Where Type J is used

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Standards reference framework

These IEC publications define the reference framework used to interpret nominal voltage and household plug/socket systems:

  • IEC 60038: standard-voltage reference for nominal supply-voltage families.
  • IEC TR 60083:2015: technical overview of plugs and socket-outlets used in IEC member countries.
  • IEC 60884-1:2022: general safety and performance requirements for household plugs and socket-outlets.

These publications are reference standards, not proof of every live outlet. Country records still require current national, utility, or regional evidence and a visible review date.

Inspect country evidence. The public dataset separates primary, corroborated, partial, and pending claim coverage.

Type J FAQ

What does a Type J plug look like?

Three round pins (Switzerland and Liechtenstein). A Type J socket accepts the Europlug (Type C), but a Type J plug fits only a Type J socket. Many generic "Europe" adapters do not fit recessed Swiss sockets.

Which countries use Type J sockets?

Type J sockets are used in Switzerland. Always confirm the local voltage.

Do Type J plugs fit other sockets?

A Type J plug normally fits only a Type J socket; bring a dedicated adapter if needed. Physical fit does not convert voltage.

Choosing an adapter

If your plug does not fit Type J, you need a plug adapter. An adapter does not change voltage.

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Safety check: a plug adapter only changes plug shape. It does not convert voltage, so confirm your device label before buying.

Shopping links never change the safety verdict.

Guidance only — not professional electrical advice. Always confirm against your device's label before plugging in. Local wiring (especially in hotels and older buildings) can vary.