1 Moctezuma II (c. 1460â1520), ninth Aztec emperor, killed during the Spanish conquest of Mexico, after he was captured by Conquistador Hernan HernÃ¡n. 2  Cortes CortÃ©s, pedro moctezuma Son OF. 3  Montezuma Ii (isabelâmoctezuma/1509â1550/1510), 1550 1551 Daughter OF.  montezuma ii
The present USA voltage standard range is 120/240VAC 60Hz at +-5%, and has been for many years. There are exceptions to this in large buildings, where polyphase systems are sometimes used, but standard single phase residential and light commercial is all 120/240 service. We haven't had 110/220 for well over 60 years.
A voltage of (nominally) 230 V and a frequency of 50 Hz is used in Europe, most of Africa, most of Asia, most of South America and Australia. In North America, the most common combination is 120 V and a frequency of 60 Hz.Other voltages exist, and some countries may have, for example, 230 V but 60 Hz.ains electricity is the general-purpose alternating-current (AC) electric power supply. In the US, mains electric power is referred to by several names including household power, household electricity, house current, powerline, domestic power, wall power, line power, AC power, city power, street power, and grid power.