Electrical Power Search Results

How To: Calculate electrical power

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.

How To: Make a speaker out of a tissue box

In an old video posted on YouTube, about how to make a speaker in a tissue box, they got a Kleenex box, foil, motor, and battery. Of course the motor ran off the battery and it made a sound, but there's no way to just plug in the audio jack from your Apple iPhone into the Kleenex box where it's contacts obviously aren't going to touch any electrical contacts and have it work. It's not possible.

How To: Wire a three-way electrical switch

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 electrical box and tie the white wires together with an electrical nut. Next, tie the copper wires together and you will be left with three wires. Take the wire that supplies the power and attach it to the black common, then ...

How To: Safely lockout electrical disconnects during repairs

This video aimed at electricians, is designed to help employers and employees what is required in the standard that is applied for the control of energy during maintenance and servicing of equipment and machinery. Employers are required by law to develop proper lockout safety procedures and provide proper protection materials and safety training. This video is highly important for any electrician, apprentice or journeyman, because it will help prevent injury… or even death.

How To: Measure the DC voltage of a circuit with a multimeter

Measuring the voltage of a piece of electrical equipment is a somewhat dangerous and complicated but necessary process if you want to do any sort of DIY electrical projects. This video will show you how to use a multi-meter to read the DC voltage of a power drill battery, with an emphasis on what you need to do to complete this process safely.

How To: Read a window motor electrical diagram for a car

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.

How To: Measure the amps of an electrical circuit with a multi-meter

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 creator tests the amperage of a power drill batter as an example.

How To: Dissolve a penny with a power adapter

Ever wonder what happens to a penny when an electrical charge is applied to it? Well, you'll find out in this science lesson that shows you how to dissolve a penny with a power adapter.

How To: Replace an electrical light switch

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 wires and then label them with what they were connected to. Tear this out of the terminals, then replace the new one with the wires hanging out. Make sure you place the wires back into the same terminals as before, using...

How To: Use an electrical box extension

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 need a PVC box extension which is designed to fit over the box that is already embedded in the wall. It extends out of the wall which will be covered by the layer of tile or drywall. Disconnect the power source to the plu...

How To: Replace an electrical outlet

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.

How To: Lower electrical resistance with liquid nitrogen

Watch this science video tutorial from Nurd Rage on how to lower electrical resistance with liquid nitrogen with Dr. Lithium.

How To: Get free electricity from a phone jack

Learn how to get free electricity from your home telephone line just by watching this video. Save money on your power bill, and hack into the electricity coming out of the phone jack. The phone company doesn't monitor electricity usage, so you can probably get away with this con. Check out this video tutorial and learn how to tap into the electrical energy source in your phone line.

How To: Install a Playstation 3

If you're not technologically savvy, don't stress. You probably want to jump right into the game, so check out this video on how to properly install your Playstation 3.

How To: Maintain your home electrical wiring and fixtures

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.

How To: Do electrical circuit experiments

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.

How To: Figure out what's draining your car battery and fix it

Figuring out what was causing your old car battery to drain power was easy, but on modern cars it's more complicated due to their large number of electrical devices. In this video you'll learn how to find out what's draining the battery on your new car and fix it.

How To: Install track lighting

This video shows how to install track lighting where you want to add or direct light. The first thing to do is to turn off the power to the circuit. If you don't have an electrical box where you want the lighting, you can purchase one at any home improvement store. If you have one, you will also need a track lighting adapter. Use masking tape for the pattern that you want, start around 18 to 24 inches from the wall. Remove the tape and replace it with chalk lines. Cut the tracks to size and a...

How To: Wire a solar cell into an electrical circuit

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 electrical circuits: a simple circuit, a series circuit, and finally a parallel circuit.

How To: Make an electrical lighter

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 cool electrical lighter, for your cigarettes, and such.

How To: Wrap a short electrical cord

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.

How To: Replace an outdoor electrical plug and cover

If you're interested in replacing your existing outdoor outlet and cover because of cosmetic reasons or safety reasons, this tutorial should help.

How To: Change a light switch in your room

Warning! When dealing with electrical wires, makes sure you always turn off the power before you do anything. There is no room for error since you can become severely injured in the process.

How To: Make a 40 Watt Electrical Generator from Common Household Items

There's no charge for this electricity! All you'll need for this project is... Now, watch and learn how to make your own emergency power if you find yourself in a bind.

How To: Install a Ground Fault Circuit Interrupter (GFCI)

Ron Hazelton shows how to install a ground fault circuit interrupter (GFCI). First turn off the power to the electrical outlet at the circuit breaker or fuse box (check to make sure there's no power in the outlet!). Then remove the electric cover plate. Then gently remove the old outlet receptacle. Detach the wires from the old receptacle. Trim and re-strip the wires if necessary. Attach the wires to the GFCI receptacle per the instructions. Gently reassemble the receptacle and plate. Restore...

How To: Unclog a garbage disposal

Holidays such as Thanksgiving are doomsday for most garbage disposals due to clogs. If you're garbage disposal is clogged, check out this video to see some helpful tips on how to fix it.

How To: Set up a standby generator for your home or business

In this video tutorial, viewers learn how to set up a standby generator for their home or business. A standby generator is a back-up electrical system that operates automatically. This video shows you how to properly setup a standby generator to power your home or business in the event of an emergency. It provides many tips. If you choose to use a portable standby generator, it should be used as conjunction with the manual transfer system which consists of a manual transfer switch, power inle...

How To: Patch around an electrical box on drywall

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.

How To: Use Ohm's Law for your electrical needs

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) are also introduced.

How To: Install an electrical outlet safely and easily

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 done.

How To: Read a car electrical diagram with a Toyota Tacoma clutch start switch example

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.

How To: Preform a continuity on an electrical circuit using a multi-meter

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 work and give you some examples of using them to find problems in household devices like a lawnmower.

News: Why Nikola Tesla's Wireless Power Was Fated to Fail Due to Exploding Airships

Nikola Tesla is one of the most tragic figures in the history of science, a history that is practically filled to the brim with tragic figures. Francis Bacon, a 16th century philosopher and scientist, caught pneumonia and died because he was trying to stuff snow into a dead chicken. Marie Curie died as a result of her long-term exposure to radioactivity, and her papers from the 1890s are too radioactive to touch without protective gear to this day.

How To: Diagnose and fix seemingly unrelated electrical problems on a car

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, saving time and money.

How To: Replace electrical switches

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 improvement tutorial and learn how to replace electrical switch.

How To: Use switches safely for your electrical needs

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.

How To: Find electrical shorts in a car with a test light and fix a broken 12v plug

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 how to fix it if the problem is the cigarette lighter, now more commonly known as the 12 volt plug.

How To: Build a basic circuit with LED lights and resistors

If you want an electrical circuit to send power to an object, like a light, you're going to need resistors. This video, part of an excellent series on basic electronics by Scotty, will teach you how to make a circuit with resistors and an LED light, a real function piece of electronics.

How To: Make an Arc Welder with a Car Battery & Pocket Change

Arc welding is a type of welding that uses a power supply to create an electric arch between an electrode (electric conductor) and a base material to melt the metals at the welding point. While you can certainly purchase a welder for your car shop or jewelry making business, you can actually save some money in that department by making your own.

How To: Build a simple MIDI controller

Do you need just a few more controls? Perhaps your wondering how hard it is to make your own controller? Then follow the steps in this 2 part series and build your first MIDI controller in about an hour for very little cash. Using only 8 electronics parts, a pre-made case and a DIY midi interface that is USB powered- you can build a controller and it wont require a degree in electrical engineering. For detailed, step-by-step instructions, on building your own DIY MIDI controller watch this vi...