What is a standard voltage for a home?
In American homes, the standard voltage supply that travels from you local utility substation to your home is 120 Volts. It is commonly referred to as "line voltage" by electricians, the US National Electrical Code (NEC), and other industry experts. Nearly all indoor residential light fixtures and appliances in the U.S. run on line voltage.
What is a standard voltage in the US?
Voltage Classes according to NSI C84.1- The standard voltage in the US is 120 volts – 60 Hz single phase supply. This voltage is used for most household and commercial electrical systems, including outlets, appliances, and lighting.
What is a typical configuration for a household power supply?
The typical configuration for household power supply in the United States is as follows: In Three Phase Four Wire Wye, 208V both single phase and three phase with an additional of 120V 1-phase voltage is used for commercial applications.
What voltage does a commercial electrical system need?
In addition to 120V single phase voltage, larger electrical systems such as industrial equipment and large commercial buildings may require higher voltages, typically 208, 240, 247, 377, 480, 600 volts, or even more.
What voltage does a transformer supply?
It is typically supplied by a transformer that steps down the distribution voltage, which is typically 7.2k-14kV or 25kV AC, to the lower 600V AC level. This voltage level is used to power a variety of equipment, including motors, pumps, and other heavy machinery.
Can a 120 volt light bulb be plugged into an outlet?
A 120-volt light bulb can typically be screwed into an indoor light fixture and operate correctly without further complication. Likewise, most household electrical equipment runs on 120V and can simply be plugged into an indoor outlet. Lighting Fact: Other common names for standard voltage include "mains power", "utility power", and "grid power".
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