Residential and Commercial Electrical Circuits

Electricity is a flow of electrons. A complete circuit is needed for electricity to flow. From the main electric service panel, electricity is divided into circuits throughout a building. The maximum amount of load that can be placed on any single circuit is controlled by a circuit breaker. Building circuits are parallel circuits. A parallel…

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Low Voltage Wiring

Low voltage wiring is the wiring for audio, video, telephones, alarm systems, HVAC, and generally any wiring for things using less than 24 volts. Low voltage is often used only with small electrical systems as it is not suitable for large-scale electrical projects. There are very real safety risks associated with low-voltage systems. Low-voltage can…

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Basic Units of Electricity

The three basic units of electricity are voltage, current and resistance. Voltage is measured in volts, current is measured in amps and resistance is measured in ohms. There is a basic equation in electrical engineering that states how the three terms relate. It says that the current is equal to the voltage divided by the…

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Surge Protectors

Surge protectors are devised to protect electronic devices from voltage spikes. Surge protectors limit the voltage supplied to an electric device if a voltage spike occurs. If the voltage rises above a safe level, a surge protector helps to prevent that surge from damaging your electronics. Most power surges are so brief that they are…

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Electrical Improvements

Improvements and repairs involving electricity should only be performed by licensed professionals. Professional contractors are experienced and knowledgeable, with state approved licenses. Licenses provide assurances of a specific level of competence, as well as accountability to the state licensing board. There are valuable assurances when using a licensed contractor, even if you think you can…

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Electromagnetic Interference

Electromagnetic interference is the interference caused by an electromagnetic disturbance affecting the performance of a device, transmission channel, or system. Moderate or high-powered wireless transmitters can produce EM fields strong enough to upset the operation of electronic equipment nearby. Cordless telephones, home entertainment systems, computers, and certain medical devices can fail to work properly in…

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Trusted Arizona Electricians

When you call for electrician services in your home or business, you need to know that you’re calling a contractor you can trust. Licensed, Bonded and Insured, B.B.B. A+ rated, Rogoz Electric provides experienced electrical repair and replacement services for all your home and business electrical needs in Phoenix and surrounding communities. The owners of…

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Advances in Electricity and Energy

As scientific discovery changes our world, so does our growing understanding of the applications of electricity, leading to great advances in current and future technologies. Recently, Researchers have identified a metal that conducts electricity without conducting any heat. Electricity is now being manipulated at the atomic level using quantum physics to power the next generation…

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Arizona Household Energy Use

The average Arizona household uses about 1,100 kilowatts of electricity each month. A quarter of the energy consumed in Arizona homes is for air conditioning, which is more than four times the national average.  More than 90% of Arizona households use air conditioning. In Arizona homes, space heating accounts for just 15% of total energy…

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Single Phase and 3 Phase Power

Single Phase power is a two wire Alternating Current (AC) power circuit. Many of the residences in the U.S. use single-phase alternating current electric power supply, which is typically used for powering up lights and household appliances. Generally, there is one power wire and one neutral wire, and power flows between the power wire (through…

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