Montezuma, Moctezuma, Moteczoma, Motecuhzoma, Moteuczomah, and Mwatazuma are variant spellings of the same word and may refer to:
Voltage, Frequency and Plug/Outlet Type in United States of America / USA. Electricity in United States of America / USA is 120 Volts, alternating at 60 cycles per second. If you travel to United States of America / USA with a device that does not accept 120 Volts at 60 Hertz, you will need a voltage converter.
First of all, the mains voltage is different in Europe and US. In the US, typical mains voltage is 120 V. In Europe, on the other hand, the voltage is typically 230 V. Also, while the mains frequency in Europe is typically 50 Hz, in the US it is 60 Hz. Most devices donât care about the mains frequency.