Electrical

A:

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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  • Why do light bulbs explode?

    Q: Why do light bulbs explode?

    A: 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 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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  • What is the function of a fuse?

    Q: What is the function of a fuse?

    A: 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 deep should electrical lines be buried?

    Q: How deep should electrical lines be buried?

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

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

    A: 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?

    A: 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?

    A: 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?

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

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

    A: 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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  • 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?

    A: 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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  • How can one wire a home light switch?

    Q: How can one wire a home light switch?

    A: 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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  • How do you wire a three-pin plug?

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

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

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

    A: 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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  • What color are positive and negative wires?

    Q: What color are positive and negative wires?

    A: 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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  • What are the disadvantages of coaxial cable?

    Q: What are the disadvantages of coaxial cable?

    A: 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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  • Q: How do you install 3-wire dryer connections?

    A: To wire a three-prong dryer outlet, start by cutting a hole in the wall behind the dryer. Run electrical cable from the site of the outlet to the circuit breaker. Strip 6 inches of insulation from the end of the wire and connect the red and black cables to either side of the socket and the white cable to the bottom. Do the same at the circuit breaker. Finally, attach the outlet and circuit breaker to the wall.
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  • Q: What is the domestic voltage in Canada?

    A: The domestic voltage used in Canadian homes is between 110 and 120 volts, notes Adaptelec, a website featuring advice from international electrical specialists. "Type B" North American NEMA 5-15 standard outlets are used and have one grounded plug and two narrow rectangular holes. The outlets are not polarized, meaning one prong isn't narrower than the other.
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  • How do you wire a wall light?

    Q: How do you wire a wall light?

    A: To wire a wall light, you need a drill, switch boxes, a keyhole saw, a wire coat hanger, a sharp knife or wire stripper and wire nuts. Start with checking the local wiring codes. Next, choose a type of bulb. The most common choices for bulbs are incandescent, fluorescent and halogen.
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  • Q: What is the basic way to wire a phone jack?

    A: To wire a phone jack, cut open the outer insulation of the wire, access the inner wire to expose the copper wires inside, and undo the screws of the wall jack. Then, secure the white, blue, orange and stripped wires to the appropriate screws of the jack.
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  • Q: What are some tips for AC electric motor wiring?

    A: When wiring an AC electric motor, consult with the user manual provided by the manufacturer whenever possible. If such a manual is not available, look for a wiring schematic printed somewhere on the motor. However, proceed with caution by first removing all sources of electric current before looking for the schematic and wiring the motor according to the diagram.
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  • Q: Is a 12kw generator enough to survive a power outage for a few hours?

    A: A 12-kilowatt generator should be able to power many essential appliances, such as a refrigerator, lights, a water heater and a gas furnace. Determining the amount of power required from a generator during a brief power outage depends on the appliances that are powered.
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