How Electrical

Make a lighter with one or two AA batteries and simple tiny wire!!! This is a fantastic homemade electrical lighter for any situation. You'll need two AA batteries, a push switch, a battery holder, wire, solder, soldering iron, electrical tape, crimper, and scissors for this c ...more

Your car's electrical system is massive and complicated. Trying to find a short in the system might sound like a job for a professional, but in this video you will learn how you can use an $8 test light to locate a shorts in your car's electrical system. It will also teach you ...more

Lights not working, or appliances not working? Maybe it's the electrical system. This video home improvement tutorial shows how to test the electrical wiring in your home. Just make sure to turn the power off first!

Every wall switch and outlet on an outside wall is a hole in your wall. Here's how to insulate them while conserving energy and being eco-friendly.

This is a guided hands-on laboratory activity to help a student understand the proper and safe use of a multimeter to measure electrical resistance. These two video guides the student through the proper techniques for measuring resistance with a multimeter, but you'll need som ...more

Home improvement expert Danny Lipford teaches how to cut drywall around outlets Just watch the video tutorial to see how to cut drywall around electrical outlets. It’s easy to make a mistake when measuring and marking the location of electrical outlets on drywall. To prevent ...more

Electical discharge machining is a techinque in which electricity is used to machine (cut, grind, etc.) metal. It usually invovles sophisticated tools and equipment, but not here! Watch this video for a guide to making a small electrical discharge machining machine with an old ...more

This video introduces the formulae for watts in an electric circuit, P=IxE, P=I^R, and P=E^/R. It also explains how P=I^R and P=E^/R are algebraically derived from P=IxE and Ohm's Law.

The Solar Schoolhouse presents this video tutorial on how to use the Solar Cell Classroom Set. The purpose of this set is to give students hands on experience making electricity using sunlight. See what's inside the set, and then see how to wire three different types of electr ...more

This is a video tutorial in the Home & Garden category where you are going to learn how to use an electrical box extension. Bob Schmidt shows how to use an electrical box extension during remodeling; when adding drywall, tile or wood over existing surfaces. For this you will n ...more

If you're interested in replacing your existing outdoor outlet and cover because of cosmetic reasons or safety reasons, this tutorial should help. In the video, you'll be taken through the process of replacing an old existing outlet with a new one that is better suited to be ...more

The continuity test is one of the least well-known but useful functions on a multi-meter. It allow you to determine whether a fuse works by touching the contacts to it, which allows you to diagnose all sorts of electrical problems. This video will show you how continuity tests ...more

Electricity can be conducted through a variety of unexpected mediums, including Jell-O, lemons and potatoes. Learn more about electric circuit experiments in this free science experiment video from a professional audio engineer and instrument builder. Part 1 of 16 - How to Do ...more

Home repairs might seem foreign to some people, but it's not as hard as dealing with contractors. If you have to patch up some holes in your drywall but don't know how, let this video series be your guide. In these videos, lean how to patch around an electrical box on drywall. ...more

Tim Carter, of Ask the Builder, demonstrates the installation of an outlet box and how to easily wire the switch box in your home. With a little help from some pliers and wire strippers, this DIY project will be a breeze.

Measuring the amperage, or number of amps, in an electrical circuit requires a tool called a multi-meter. They are somewhat difficult to use, but fortunately for you this video explains in great detail how multi-meters work and what you need to do to ensure that they work. The ...more

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 ther ...more

This will demonstrate how to build a hidden compartment / diversion safe out of an electric outlet.

The Type G plug is the standard plug in the United Kingdom, usually 230V and 50Hz, and is referred to as the BS1363 (British Standards 1363). It's most commonly referred to as the "13-amp plug" because it has a 13-amp fuse inside. The wires consist of a hot (or live) wire, neu ...more

Believe it or not, you don't need to hire an electrician to add a few electrical outlets in your home. The only thing you really need to worry about is being safe. This Old House walks you through the entire process of adding receptacles, from cutting the hole in the drywall t ...more

If you work on your own car and don't want to get electrocuted, you should disconnect the battery before you do any major work. This video will show you how to do it quickly and safely, ensuring your continued auto maintenance safety.

When it rains, it pours. If all sorts of electrical systems on your car have seemed to break at once with no relation to each other, they might actually be related. Watch this video to learn how multiple electrical problems in a car can often be traced to one source and fixed, ...more

Electrical diagrams are hard to read for all but the most mechanically-inclined, and the ones for the power windows on cars are notoriously complicated. This three-part video will teach you how to read these diagrams and make sense of what you see. Part 1 of 3 - How to Read a ...more

Being able to read an electrical diagram will greatly aide your ability to correctly diagnose car problems. If you need some help with it, watch this video for a detailed explanation of how to read an example map for the clutch start switch on a Toyota.

There's more than one way to test a fuse, and it doesn't have to be expensive. In this video tutorial, see how to test an electrical fuse with a screwdriver tester or multi-meter. A test screwdriver is relatively cheap and simple to use. A multimeter is a little more expensive ...more

Replacing a switch is a project almost anyone can tackle. In this how-to video, discover the right questions to ask to ensure you purchase the right switch for your needs. Then, learn the simple steps for installing your electrical switch or dimmer. Watch this video home impro ...more

Here's how to remember what wires go where when wiring a plug in the United Kingdom. UK plugs have two or three wires going into them: brown, blue and yellow-green. L in the blue tells you it goes on the left. The R on the brown tells you it goes on the right. If there's a yel ...more

This video describes Resistor Color Codes and how to read them. It relates Resistor Color Codes to scientific numbers and engineering notation.

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 ...more

A tutorial of how to use EKTS.

Learn step-by-step how to replace a split circuit electrical outlet including safety tips and what to watch for to make sure an outlet is installed correctly. Replace a split circuit electrical outlet. Click through to watch this video on iskills.com

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 u ...more

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 ...more

The first video introduces the basic electrical quantities of charge, current, voltage, and resistance. The concept of quantities and units is explained. The units of Coulombs, Volts, Amperes, and Ohms are described. The three basic formulas of Ohm's Law (E=IR, I=E/R and R=E/I ...more

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 ...more

This video home improvement tutorial is a basic explanation of the wiring in a plug-in electrical receptacle, so you'll know what to do when replacing one. Learn how to change the plug-in without short-circuiting or hurting yourself by watching this instructional wiring video.

Watch this science video tutorial from Nurd Rage on how to lower electrical resistance with liquid nitrogen with Dr. Lithium. The electrical resistance of a copper coil is dramatically decreased by cooling with liquid nitrogen. See how easy it is to use liquid nitrogen to low ...more

If your old outlet has become so loose that a cord barely stays in place, it's time to change it. It's not just an annoyance—it's a hazard. Learn how to replace an electrical outlet with this instructional video from Howcast. You Will Need: * A flathead screwdriver * A digita ...more

The alternator on your car is arguably the most important part of the electrical system, and if they break even a little weird things can start happening all over your car. Watch this video to learn how to check an alternator and make sure it's working properly.

Jon Olson shows us how to replace an electrical outlet and how to replace a wall switch as well as some other electrical tips you can use around the home. Part 1 of 15 - How to Maintain your home electrical wiring and fixtures. Maintain your home electrical wiring and fixtures ...more

While one can achieve a number of realistic vintage keyboard sounds through sample libraries like the Reason Abbey Road Keyboards refill, there's no beating the genuine article. If you find a vintage keyboard, however, it may need any number of repairs to get it sounding like ...more

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 outle ...more

This video is about electrical wires. It describes common types, configurations of wire, and wire terminology. It explain the gauge system of rating wire size (diameter), circular mils, current capacity, and others.

This tutorial shows you how to create wire types in AutoCAD Electrical 2008.

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 sa ...more

In this video tutorial, viewers learn how to properly inspect an electrical panel or circuit breaker in a house. Users should begin by taking off the cover(s) of the individual panels to see the wiring inside. Make sure the wire are connected and that there are no open or brok ...more

In this tutorial, we learn how to wire a three-way electrical switch. First, you will need to know the difference between the wires that you are using. Once you familiarize yourself with these different wires, you can start to wire your electrical switch. Now, go to your elect ...more

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 th ...more

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 t ...more

Learn how to wrap a short electrical cord. Treat your power cords right, and make them last longer, by learning how to store them correctly. You Will Need * A power cord Step 1. Make figure eights Arrange the cord in figure-eight loops, leaving about two loops worth of un ...more

This video introduces the concept of an electric circuit and how electrons flow through the wire. It describes the difference between an open and closed circuit, and the importance of continuity.

In this video we learn how to replace an electrical light switch. First, turn the power off in your home. Then, remove the screws around the switch exposing the wires. Confirm that they are dead with a tester, then you can get started removing. Wrap electrical tape around the ...more

If for any reason you need to replace or add a circuit breaker to your electrical panel, you'll need to know how to do so. Luckily for you, this tutorial is here to help. In the video, you'll be taken through the process of removing a breaker from your electrical panel withou ...more

Installing an electrical outlet in your home or apartment may seem like a daunting task, but this simple DIY video from Buildipedia makes it a simple project. Whether your current outlet is broken, or you're just looking to add something new this video will show you how it's d ...more

In the first video, it introduces the principles and terminology of mechanical electrical switches. It covers terms such as contacts, normally open, normally closed, poles, and throws. The second describes toggle switches, including different configurations and terminology. Y ...more