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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  • 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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  • 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 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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  • 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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  • 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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  • 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 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?

    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 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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  • 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 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: What Wiring Diagram Shows a 30-Amp Plug?

    A: A 125-volt shore power wiring diagram captures a 30-amp plug. Thirty amps produce approximately 3,750 watts for use by the NEMA TT-30R or National Electrical Manufacturer Association Travel Trailer, which also has a matching receiving plug. The receiving plug has three 125-volt wires originating from the breaker panel.
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  • Q: What Are Some Good Wind Turbine Kits for Home?

    A: Some good wind turbines for the home include Southwest Windpower Skystream 3.7, Southwest Windpower Air X, AeroVironment Architectural Wind, Southwest Windpower Whisper 500 and Bergey Excel. Before buying any of the products above, it is prudent to research whether local authorities allow people to use these products, notes Cleantechnica.com.
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  • Q: How Do You Choose an Electrical Panel Box Cover?

    A: When choosing an electrical panel box cover, consider both the size of the box, its type and its contents. The panel box cover should be made of steel and large enough to hold the necessary circuit breakers. Bigger box covers are available if a sub-panel of circuit breakers is installed.
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  • Q: What Are Some Electrical Panel Codes?

    A: National codes for electrical panel include using anti-oxidant compound on aluminum conductor terminations, and allowing adequate working space around live parts that carry up to 150 volts. Code 240-24 states that electrical panels shall not be located in bathrooms or close to materials that ignite easily. Article 408 in the code outlines the requirements for switchboards and panels. Local building authorities can provide complete information on electrical codes for the area.
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  • Q: How Can I Tell If My House Needs Rewiring?

    A: If a home is more than 40 years old and has the original wiring, it is time for an update. MSN Real Estate says there are a disproportionate number of fires in these homes. In homes from the 1950s or older, original wiring includes a rubber material which compounds the problem by becoming brittle as it ages. Ungrounded electrical outlets are an indicator there are no recent updates.
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  • Q: Where Can You Find a Schematic for 240 Volt Electrical Wiring?

    A: Georgia State University's website offers a schematic illustrating both 240-volt and 120-volt household electrical wiring. The standard wiring design in the U.S. is two 120-volt "hot" wires and a neutral ground wire with a total maximum available voltage of 240.
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