Three large round pins. Do not confuse Type M with the smaller Type D system.
Fit is not a safety verdict
Do not confuse Type M with the smaller Type D system.
Type M shape and grounding
Three large round pins. This overview describes a family, not a manufacturing drawing. Exact pin dimensions, current rating, polarity and national certifications depend on the variant.
| Typical shape | Three large round pins. |
|---|---|
| Protective earth in grounded variant | Yes, if the correct contacts and wiring are present |
| Standard references | BS 546 large pattern, IS 1293, SANS 164 family |
| Known variants | M_BS546_15A, M_LOCAL_VARIANT |
Type M variants and ratings
A family can contain different national or current-rated variants. The values below are reference identifiers, not permission to use a particular manufactured plug at that load. Read the exact product marking and local standard.
| Variant | Reference current | Earth contact |
|---|---|---|
| M BS546 15A | 15A | Present in variant design |
| M LOCAL VARIANT | Not established | Present in variant design |
Plug-to-socket direction matters
These research rules start with a male appliance plug and end at a wall socket. Reversing the route can change the result. Even a documented family fit needs an intact installation and the device voltage, frequency and current checks.
| Device male plug | Wall socket | Reference result | Earth path |
|---|---|---|---|
| M BS546 15A | M BS546 15A | same standard variant conditional | Documented conditional contact |
| M LOCAL VARIANT | M LOCAL VARIANT | needs exact variant verification | Not preserved or unverified |
| M BS546 15A | D BS546 5A | not interchangeable | Not preserved or unverified |
Where Type M is listed
The destination records list this family in 3 destination profiles. This is not a verified inventory of every hotel outlet.
Search all destination profiles
How to check a connection
- Identify the exact male plug on your appliance and the socket in the room.
- Check the adapter input and output variants, not just the Type M label.
- Compare AC input voltage, frequency, protective earth and the lowest current rating in the chain.
- Stop if a pin must be forced, the connection is loose or the manufacturer excludes the appliance.
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