Electrical norms in Madrid and Spain
Buy an adapter and a transformer avoid any unpleasant surprises during your stay in Madrid.
In Madrid the norm is 220 volts, with a frequency of 50 Hz like in UK, while in the United States or Canada, for example, it is 110 volts for 60 Hz.
Voltage and sockets vary from country to country in Europe, and so an adapter and also a transformer might be necessary…If you’ve forgotten to bring these important accessories, you’ll be able to find them in electrical goods and stores or hypermarkets. Most major hotels can also provide them.
For information, Spanish plugs are equipped with two round pins.