Electrical

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In order to wire a home light switch you need wire cutters and wire nuts. Start by turning off the power from the circuit breaker, then remove the switch plate, strip and connect the wires and place the new switch in the box.

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  • What is a double tap in an electrical panel?

    Q: What is a double tap in an electrical panel?

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    According to the Star Tribune, a double tap occurs when two conductors are connected under one screw inside a panelboard. Most circuit breakers do not support double tapping, although some manufacturers, such as like Cutler Hammer, make hardware specially designed for this purpose.

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  • How do you install a fluorescent light fixture?

    Q: How do you install a fluorescent light fixture?

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    Fluorescent light fixtures are produced for both hard ceiling and drop ceiling installations. Installation techniques are different for each type. These instructions focus on installation of fluorescent light fixtures in regular ceilings, with attachment to the framework by wood screws. The process is likely to take an afternoon.

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  • Where is solar energy being used?

    Q: Where is solar energy being used?

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    While solar energy is used worldwide and even in space, the country with the most installed solar capacity is Germany. According to the European Photovoltaic Industry Association, Germany had approximately 35 GW of installed solar capacity by the end of 2013, almost double its closest competitor. China, Italy, Japan and the United States round out the top five countries with installed solar capacity.

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  • How deep should electrical lines be buried?

    Q: How deep should electrical lines be buried?

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    Consumer and small commercial electrical lines must be buried between 6 and 24 inches underground, while large commercial and industrial lines must be buried between 30 and 36 feet underground. Electrical lines for carrying current to a home or building must be buried deep enough to avoid digging accidents by homeowners and others.

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  • How do you install a solar power system for the whole house?

    Q: How do you install a solar power system for the whole house?

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    Estimate the amount of solar panels needed to satisfy the electrical power usage of your home by dividing your average daily energy use by the amount of solar resource available to your region and multiplying that number to adjust it for the efficiency of your panel. Gather your utility bills, and by using a computer, it takes about 30 minutes to calculate the amount of solar panels you need.

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  • What color are positive and negative wires?

    Q: What color are positive and negative wires?

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    The color of wires is dependent on the method of wiring and where one is located. In the United States, a common two-wire ungrounded circuit has a red positive wire and a black negative wire.

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  • How do you wire a three-pin plug?

    Q: How do you wire a three-pin plug?

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    The first step in wiring a three-pin plug is to bare the ends of the three wires inside the electrical cord for about ? centimeter by cutting away the plastic insulation, then remove the plug cover. Insert the twisted copper wires into the holes in the pins, ensuring the green and yellow wires go into the top pin, while the blue and brown wires go into the left pin and right pin respectively, then replace the plug cover.

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  • Why do light bulbs explode?

    Q: Why do light bulbs explode?

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    Exposure to moisture or cold can cause a light bulb to explode. Failure of a light bulb may also be the result of tight screwing or too much electrical flow.

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  • What are some techniques for basic electrical wiring and splicing?

    Q: What are some techniques for basic electrical wiring and splicing?

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    The first step in basic electrical wiring or splicing is to turn off the power to the area in which work is being completed. To ensure safety, it is also important to use a junction box when adding new wires or splicing existing wires.

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  • Is it safe to plug one power strip into another?

    Q: Is it safe to plug one power strip into another?

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    It is not safe to plug one power strip into another. This is called piggybacking or daisy chaining, and it creates an electrical fire hazard that could prove to be catastrophic.

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  • Do you need to be an electrician to wire things?

    Q: Do you need to be an electrician to wire things?

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    Not all jurisdictions require a person to hold a license to perform electrical work, according to the Copper Development Association. Therefore, a non-electrician could potentially perform wiring for another person. A homeowner is typically able to complete minor wiring installations and repairs in a home with necessary permits and inspections.

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  • What are the disadvantages of coaxial cable?

    Q: What are the disadvantages of coaxial cable?

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    From a consumer standpoint, the weakest point of coaxial cable is its vulnerability to signal quality loss during use. Factors that determine the magnitude of the signal loss include the length of the cable, wear on the wire and exposure to sources of electromagnetic interference from other electronic devices.

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  • What is the function of a fuse?

    Q: What is the function of a fuse?

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    A fuse prevents an electrical object from receiving too much current. In the event too much electricity is received by an electrical component, the fuse is designed to melt and separate.

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  • What is a Christmas light fixer?

    Q: What is a Christmas light fixer?

    A:

    A Christmas light fixer is a tool for repairing Christmas decoration lights that won't light up. It is a dedicated tool that features a voltage detector, fuse and bulb testers, bulb remover and a shunt repairer. This tool is available in different designs and colors to suit customers' needs.

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  • Q: How do you fix hot wires and ground wires that are reversed?

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    Fixing a hot wire and a ground wire that are reversed is as easy as unscrewing and switching the wires on the receptacle and screwing them tight again. Diagnose the error visually by looking behind the outlet or by inserting a three-light voltage tester into the outlet and using it. Sometimes, the error is up or downstream of the outlet, which requires more work to detect.

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  • Q: How does a switch-mode power supply work?

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    A switch-mode power supply supplies and converts electricity, usually from alternating to direct current, to electrical equipment through semi-conductors operating in a continuous, high frequency on-and-off mode. The switching function controls the amount of voltage or current produced, based on converted energy stored in inductors or capacitors.

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  • Q: What is the electrical voltage in Mexico?

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    The electrical voltage in Mexico is 110-120 volts, the same as in the United States. While the sockets are the standard two prong versions that are found in the United States and Canada, adapters may be required for certain equipment.

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  • What color is the neutral wire?

    Q: What color is the neutral wire?

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    The U.S. National Electric code and Canadian Electric Code mandates only white or grey color be used for neutral wires. The International Electrotechnical Commission and countries that abide by it, such as the United Kingdom, use blue for the wiring color code for neutral wire of AC branch circuit.

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  • Q: What is a type B light bulb?

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    Incandescent light bulbs shaped like torpedoes and that fit into candelabras include the type B variety of bulb. The variety of sizes in the bases of the bulb are designed to fit the various socket sizes in the candelabra. Whether you choose clear or frosted bulbs depends on the intensity of light that you want from your fixture.

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  • Q: What is the definition of energy transfer?

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    Energy transfer describes energy in some form, usually heat or electricity, being transferred from one object or substance to another. There are natural examples of energy transfer like the sun heating up land, and also manmade examples of energy transfer, such as an oven cooking food with heat.

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