- Resistor-Network Converters: They can usually support high wattage electrical appliances and devices that need 50-1600 watts of electricity such as hair dryer and iron. They are lightweight too. However, they can only be used for short periods of time at once and are not recommended for digital devices.
- Transformers: Transformers are heavy and can be used continuously for long periods of time but can be used only for low wattage appliances and devices that use just 50 or 100 watts of electricity such as battery chargers, radios, laptop computers, cameras, MP3 players and camcorders. They are made up of large iron rods and lots of copper wire.
- Combination Converters: These converters offer both a resistor network and a transformer in one and can be switched to any mode with a flick of a switch. They can be a bit expensive but if you really need both types of converter, buy this one
Outlet shapes in Bhutan can usually accept three types of plugs:
- Plugs with three round pins arranged in a triangle,
- Plugs with two round pins, and
- Plugs with two parallel flat pins and a ground pin
If the electrical devices and appliances you intend to use in Bhutan have plug of a different shape, you may need a plug adapter. If you tend or plan to travel frequently to Bhutan, you may find it useful to buy a plug adapter and a combination voltage converter for yourself.