According to the Energy Information Administration, each residence in the United States consumed an average of approximately 10,837 kWh in 2012, or 903 kWh per month. That number is slightly lower than the 2011 amount of 11,280 kWh per residential customer, or 940 kWh per month.
Average residential usage of electricity varies greatly among the states, with Maine using the least energy in 2012 and Louisiana using the most energy in 2012. In that same year, electricity used for lighting made up less than one-fourth of the total energy consumption of residential and commercial customers in the United States. Appliances that use more than 500 watts include hair blow dryers, microwaves, water heaters and clothes dryers.Learn More
Learning how to read wiring diagrams is possible through books, magazines or websites dealing with basic electronics or physics. It is also possible to learn how to read them from a class on electronics or an experienced electrician.Full Answer >
Wiring diagrams for 220-volt appliances, such as washers, dryers or ovens, can be found in the manufacturer's appliance service manuals, which are typically available on the manufacturer's website. Some wiring diagrams are mounted directly on the appliance, typically behind control or access panels.Full Answer >
A relay switch runs by sending electricity through an electromagnet in order to close or open a secondary circuit. The metal arm of the secondary circuit has a spring that is overpowered by the magnetic attraction created when power flows through the electromagnet. This attraction is what affects the circuit.Full Answer >
In the United States, home wall outlets carry a voltage of 120 VAC, or voltage from alternating current. This is the standard amount, but some heavy-duty appliances require higher voltages.Full Answer >