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.
Household circuits use energy, they do not use up electric charge. The electric charge which flows into your house through your electric circuits carries with it useful energy which you can use for a variety of tasks. The US standard household circuit has an effective voltage of about 120 volts, and voltage represents energy per unit charge.