Are Israeli and Thai sockets accidentally compatible?
It looks like the Thai "Type-O" plugs have the same specs as Israeli "Type H", and the plug looks similar, but "upside-down":
Type H:
Type O:
Can you actually plug one kind into the other?
Best Answer
No, they aren't.
From reading Power plug & outlet Type H and Power plug & outlet Type O it appears that they are not compatible. The latter link explicitly says
Although they look similar, type O plugs are not interchangeable with the Israeli type H
Also from Israel SI32 (Type H) it says
The pre-1989 system has three flat pins in a Y-shape, with line and neutral 19 mm (0.75 in) apart. The plug is rated at 16 A. In 1989 the standard was revised, with three round 4.5 mm (0.177 in) pins in the same locations
And Thai 3 pin plug TIS 166-2549 says
The plug has two round power pins 4.8 mm in diameter and 19 mm in length, insulated for 10 mm and spaced 19 mm apart, with an earthing pin of the same diameter and 21.4 mm in length, located 11.89 mm from the line connecting the two power pins
There is a difference in the pin diameters. Depending on which way you are trying to plug things in you could potentially either jam things in or have a loose connection. There may be enough mechanical play to do this, but I would not recommend doing it.
And I love this quote from the World Standards website (above)
Type H plugs are among the most dangerous ones in the world: the prongs are not insulated (i.e. the pin shanks do not have a black covering towards the plug body like type C, G, I, L or N plugs), which means that if a type H plug is pulled halfway out, its prongs are still connected to the socket!
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Are US and Thai plugs the same?
In Thailand, types C and O are the official standards. American type A & B plugs can also be used, but their compatibility is going to be phased out in the long term. Virtually all sockets in Thailand are hybrid ones, compatible with all four above-mentioned plug types.What plugs work in Thailand?
What plug sockets are used in Thailand? For Thailand there are four associated plug types, types A, B and C. Plug type A is the plug which has two flat parallel pins, plug type B has two flat parallel pins and a grounding pin and plug type C has two round pins. Thailand operates on a 230V supply voltage and 50Hz.Can you use EU plugs in Thailand?
European two rounded pins can fit in most of the electrical outlets in Thailand. You don't also need a voltage converter because most countries in Europe operate at 220-240 Volts, similar to Thailand.Can you use a Type C plug in Israel?
Type C plugs are frequently used in Israel. It is illegal, however, to install type C power outlets: these receptacles are not earthed and are therefore considered dangerous. Only type H power points are permitted because they are grounded and therefore significantly safer.TRAVEL ADAPTERS and Power PLUGS explained | World Travel Tips
Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.