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An electricity meter, electric meter, electrical meter, energy meter, or kilowatt-hour meter is a device that measures the amount of electric energy consumed by a residence, a business, or an electrically powered device over a time interval. Electric utilities use electric meters installed at customers' premises for billing and monitoring purposes.
Depiction of New York World Building fire in New York City in 1882. Building codes in the United States are a collection of regulations and laws adopted by state and local jurisdictions that set “minimum requirements for how structural systems, plumbing, heating, ventilation, and air conditioning (), natural gas systems and other aspects of residential and commercial buildings should be ...
A residential gas meter. The concept of submetering was effectively "invented" sometime in the 1920s, when many laws currently affecting submetering were written. [clarification needed] Submetering was not widespread until the energy crisis in the mid-1970s, which prompted an increase in submetering for gas and electric usage. Water submetering ...
That creates a system whereby a city can best avoid lawsuits by adopting a single standard set of building code laws. This has led to the NEC becoming the de facto standard set of electrical requirements. [6] A licensed electrician will have spent years of apprenticeship studying and practicing the NEC requirements prior to obtaining their license.
The 2019 California Energy Code became effective on January 1, 2020. [5] It focuses on such areas such as residential photovoltaic systems, thermal envelope standards and non-residential lighting requirements. Homes built under this code are about 53% more energy efficient than those built to comply with the 2016 Energy Code. [6]
At the customer's premises, the wires usually enter the building through a weatherhead that protects against entry of rain and snow, and drop down through conduit to an electric meter which measures and records the power used for billing purposes, then enters the main service panel. The utility's portion of the system ends, and the customer's ...
The term smart meter often refers to an electricity meter, but it also may mean a device measuring natural gas, water or district heating consumption. [1] [2] More generally, a smart meter is an electronic device that records information such as consumption of electric energy, voltage levels, current, and power factor.
The company was formed from a merger of Westar Energy of Topeka and Great Plains Energy of Kansas City, parent company of Kansas City Power & Light. Evergy is the largest electric company in Kansas , serving more than 1.7 million residential, commercial and industrial customers in Kansas and Missouri. [ 2 ]