Circulating fans include ceiling fans, table fans, floor fans,
window fans, and fans mounted to walls. These fans create a wind chill effect
that helps to make you more comfortable, even if the space is also cooled by
air conditioning.
Monday, October 10, 2016
Thursday, September 8, 2016
How Power Transformers Work
A transformer is an electrical device that takes electricity of one voltage and changes it into another voltage. A power transformer consists of a coil wrapped around an electromagnet that transfers electricity from one circuit to another without changing the frequency of the electric energy.
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Phoenix, AZ, USA
Tuesday, August 16, 2016
Solar Power Systems
Solar panels are made up of photovoltaic (PV) cells. A solar
cell is a crystal, and the bonds are made of electrons that are shared between
all of the atoms of the crystal. When light gets absorbed by the cell,
electrons can move around the crystal freely, creating a current and converting
sunlight into direct current (DC) electricity.
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Location:
Peoria, AZ, USA
Friday, July 22, 2016
The History of Electricity
Electricity was no more than a curiosity for civilization
until the 15th century, when the English scientist William Gilbert
made a careful study of electricity and magnetism.
Tuesday, June 7, 2016
Low Voltage Electrical Systems
Low voltage refers to electrical power supplies that produce
relatively low power levels. These systems use special transformers to reduce
the main power supply down to a lower voltage. Low voltage wiring is the wiring
for audio, video, telephone, intercom, data, alarm systems, HVAC, and generally
any wiring for things using less than 24 volts.
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Location:
Peoria, AZ, USA
Saturday, May 7, 2016
LED Lights Are Extremely Energy Efficient
LED lights are extremely energy efficient and consume up to
90% less power than incandescent bulbs. LED
lights are today’s most efficient way of illumination and lighting. A
low-voltage power supply is sufficient for LED illumination.
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Location:
Peoria, AZ, USA
Thursday, April 7, 2016
Power Stations and Transformers
Electricity is very powerful, and can be extremely dangerous
if it is not used safely. Outside, power lines and substations are the main
sources of electricity, bringing it to our houses and communities.
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