Electrical

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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 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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  • How can one wire a home light switch?

    Q:How can one wire a home light switch?

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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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  • 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 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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  • 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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  • 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 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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  • 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 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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  • 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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  • 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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  • 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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  • 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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  • Q:What is the purpose of a terminal block?

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    A terminal block is used to fasten or terminate wires. It is often used to connect wiring to a ground or electrical switches and outlets to the mains supply. A simple design has several single terminals positioned in a long strip, with an insulating frame and a clamping part.

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  • Q:How do you replace a wall socket?

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    To replace a wall socket, turn off the power to the outlet, unscrew the old socket cover and the outlet itself, free the wires, then attach the wires to the new socket and screw everything back into place. To do this safely and effectively, have a voltage tester, wire cutter, wire stripper, screwdriver and new outlet on hand before beginning.

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  • Q:How do you use a circuit tester screwdriver?

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    Test wires, receptacles and other electrical equipment by pressing the tip of the circuit tester to the item to be tested and noting whether the bulb in the handle lights up. If the bulb does not light up, then that electrical piece is not "hot."

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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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  • Q:How do I change my house's fuse box?

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    To replace an old fuse box, turn off the main power to the home, and disconnect the wiring to the existing fuse box. The process of switching fuse boxes typically requires just a few hours. Contact a professional if you are unfamiliar with wiring and electricity.

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  • Q:How do you make a light bulb?

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    To make a light bulb at home, put two pieces of copper wire through a cork stopper lid into a jar and twist iron wire around the copper wire. Then attach the copper wire pieces to a six-volt battery for an instant light bulb.

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