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.
Electricity. The voltage in Japan is 100 Volt, which is different from North America (120V), Central Europe (230V) and most other regions of the world. Japanese electrical plugs have two, non-polarized pins, as shown above. They fit into North American outlets.