Electrical Search Results

How To: Diagnose an electrical problem with a fuel pump on an LLV postal truck

If you're working on a LLV postal truck, this video will show you how to determine if you've got a bad fuel pump or not. It's a quick diagnosis trick to determining if there's an electrical problem with the fuel pump, and first you need to take out the ECMB fuse, plug a jumper wire where it was, use a multimeter and labscope to see what's going on. The United States Postal Service (USPS) uses these trucks for all their postal deliveries, and if you're the mechanic working on it, this and the ...

How To: Clean high voltage electrical cables with solvents

The best way to make sure you have the best connections on high voltage-lines is to clean them. Cleaning high-voltage wires with cleaning solvents is the best way to get the job done for a better flow of electricity. This video, produced by Polywater, trains electricians on the proper high-voltage cable cleaning procedures during splicing and termination. Methods are shown to remove different types of shields and compounds from insulation. The "Do's and Don'ts" of abrasion, solvent spraying, ...

How To: Install electrical outlets

In this video clip series, our expert will demonstrate the basic knowledge you need before adding an outlet in your home. Which tools you will need, how and where to drill, safety instructions and box installation instructions are included. Additionally, you will learn how to strip a wire and test for connectivity.

How To: Do basic home electrical repairs

Expert electrician Danny Herb demonstrates in easy-to-follow, step-by-step instructions how to replace a light switch and how to replace a wall socket. He begins by showing you how to turn off the circuit breaker, an essential first step to any electrical repair, and offers safety tips and advice for working with electricity. He shows you the tools and equipment you'll need to get the job done, and how to test electrical outlets to be certain they aren't still hot.

How To: Wire an electrical outlet

In this series of how-to videos, home improvement expert Amelia Tallman shows you step-by-step instructions on how to install a new power outlet in a wall of your home. She demonstrates how to strip the existing wires, drill holes and properly install a new box for a new outlet. She also shares tips for improving your home by installing insulation using a blower, which should help you save money on energy costs by maintain temperature. By following the advice and techniques shown in these fre...

How To: Make a light bulb glow with an electrical circuit

One of the basics of electronics is knowing how an electrical current works. For this video, you will need a 1.2V battery, a lightbulb, and 2 copper wires. First, take the wires and attach one end of each wire to opposite sides of the battery. Have a friend hold the wires there, or tape the wires down. Then, take the unattached ends of the wires. Take one wire and touch it to the upper part of the base of the lightbulb. Take the other wire, and touch it to the bottom. The lightbulb should now...

How To: Map electrical circuits in your home

If you are planning to add any new outlets, lights or appliances, it is helpful to have a map (or schematic drawing) of your electrical circuits. This will help you determine if you can tap into an existing circuit or if you need to run a new circuit from the breaker panel. In this tutorial, you will learn how to map out your houses electrical system, which will help you plan for future needs or possibly alert you to an existing circuit overload. Also, many municipalities require that your ci...

How To: Insulate Electrical Outlets & Switches

Prepare all the materials and tools needed for the process. Prepare a circuit tester, an electrical tape, a flathead screwdriver, a pair of scissors, and an electric sealers kit. Then, make sure that you turn off the power at the main circuit box. Place a piece of electrical tape over the circuit breaker that goes to the circuit that you are going to work on. Unscrew the screws that are holding the plate cover of the outlets to the wall. Test the outlet using the circuit tester to make sure t...

How To: Troubleshoot and repair a three-way electrical switch

There's no need to pay for a pricey electrician for a light switch problem— you can try to fix it yourself. This video from This Old House explains how three-way switches work and shows tips for finding and replacing faulty three-way switches in your home. First, you need to understand the difference between the hot and neutral wire, the ground wire, and the traveler.

News: Math Craft Inspiration of the Week: Electrically Generated Fractal Branching Patterns

Natural processes often create objects that have a fractal quality. Fractal branching patterns occur in plants, blood vessel networks, rivers, fault lines, and in several electrical phenomena. Many of these processes take lifetimes, or even occur on geological timescales. But this is not the case for electrical phenomena. They often occur near instantaneously. One example would be the branching patterns that sometimes occur in lightning.

How To: Get your home ready for a new dog

Pet-proofing your house won't just protect your possessions from becoming chew toys—it could save your dog's life. You will need a dog crate, a dog who's ready to move in, dog manuals, pet repellent, electrical cord covers, baby gates and a dog bed or towels for bedding. These are helpful tips for pet proofing your home for your new puppy or dog.

How To: Use an oscilloscope properly

Here is a technical tutorial from a technical communication class. An oscilloscope is for viewing oscillations, like electrical voltage and current, with cathode-ray tube display. See all about it in this great introduction to the device. Simply, this video tutorial will show you how to use an oscilloscope.

How To: Hack Your Electricity Meter

This video will show you what you'll need to know to hack a digital electric meter. You'll need 2 magnets, one much bigger than the other, an AC adaptor that you'll cut into pieces, or some speaker wire, distilled water, electrical tape, a knife, some plastic wrap, and a plastic cup. Remember, this is illegal, and shown only for educational purposes.

How To: Build an analog internet meter out of an Arduino Ethernet Shield

The internet has created amazing new standards for how closely information can be followed. If you want a portable analog unit that will monitor one important piece of online info continuously and have some DIY electrical knowhow, watch this video. It will show you how to use an Arduino Ethernet Shield to make an internet meter to monitor email, stocks, and other online info on a simple analog display. You will need to know some PHP to make this work.

How To: Replace the side view mirror on a Nissan Altima

Someone has just smashed the side mirror off your perfect Nissan Altima that you parked on that busy road you know you shouldn't have parked on anyway, so now it's up to you to repair it— unless you want to pay an overpriced mechanic, who will charge you for parts, labor, and whatever else he thinks he deserves. If you're up for repairing your side view mirror by your lonesome, for cheap, then this video by Richpin will show you the exact steps required to fix your Nissan Altima's side mirror...