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.
While the most common voltage is 120/240, there are other states with a nominal voltage of 115/230. It is rare for a utility to furnish 110/220 at the meter. After the electricity enters your home, there is additional voltage drop along the wires to your receptacle.