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.
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.
This is a video tutorial in the Education category where you are going to learn how to make a miniature vortex cannon. For this you will need normal plastic drinking cup, punching bag type balloon, black electrical tape, lighter, candle, scissors and a drill. Drill a hole in the bottom of the cup and cut off a big circle at the bottom. Cut the punching bag balloon in half and stretch it over the mouth of the cup and tape it up nicely. The cannon is ready. Now light the candle, hold the cup aw...
This is a step-by-step instructional on how to make a potato gun, otherwise known as the spud gun, potato launcher, potato cannon, etc. Although this can be a fun activity, it is still dangerous, just like a real weapon.
You don't need to buy an expensive ring light, you can make your own at home. You'll need a sheet of sturdy plywood, a pencil, some string, a dimmer switch, the light bulb sockets, some electrical wire, a drill and some hardware.
In this tutorial by Lowe's, we learn how to install exterior motion-sensor lights with Lowe's. First, you will need to pick out what kind of motion sensor light you want. Most of the kits you purchase will come equipped with all the things you need, you will just need to supply the hardware. You will need: a screwdriver, circuit tester, electrical tape, silicone caulk, work gloves, and safety glasses. Open up the package and find the directions inside of it. After this, turn off the electrici...
Watch this science video tutorial from Nurd Rage on how to lower electrical resistance with liquid nitrogen with Dr. Lithium.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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 ...
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.
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.
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.
Some locks are easier to drill through than to try and pick, especially if you need to get through them in a hurry! You will need one large power drill and an assortment of drill bits to be able to use this method. First, drill a 1/8 inch pilot hole just above the keyhole. Then follow through with a 1/4 inch or larger drill. After just a minute or so of drilling, you should be able to get through the lock!
This how to video shows you how to test electrical receptacles. The video covers 5 simple test rules. The first test is to simply attach an electrical device to the socket. The video also suggests the use of market product testers and even voltage testers. This video is perfect for people who are having electrical problems or are just beginning to learn how to take care and maintain their own home. The video is about a minuet and a half long.
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 some assorted resistors, a rectifying diode, a photo cell, an electronic labs kit, and some other stuff.
In this video, we learn how to install a Toad Stop braking system for towed vehicles. First, determine where you are going to install the braking system. Insert the electrical wires into the appropriate spots by reading the labels that are on them. After this, use a drill to lock down any parts that are loose. Once you place the braking system in, you will need to lock it down using the wires that come with it. Make sure these are installed properly throughout the entire vehicle up until you ...
Home improvement expert Danny Lipford gives you some 5-gallon bucket tips. Watch this video tutorial to see how to make a bucket cord caddy to carry extension cords.
Have an important swimming meet coming up? You better start practicing, and one of the best ways to improve your strokes is to practice some swimming drills. This video will outline 5 very important stroke drills to use for refining your swimming technique. Learn to swim faster and more efficiently with the following 5 drills:
In this video, we learn how to make a miniature medieval flail. You will need: glue, string, scissors, drill, paper, cardboard, paints, masking tape, electrical tape, plastic chain (optional), a brush, and a wooden handle. First, crumple up a couple sheets of paper to make it into a ball. Wrap masking tape around it so it keeps its shape. Next, wrap your string or twine around the ball several times at various angles, tying it each time at the bottom. After this, tape it again with masking ta...
Electrical sockets are often taken for granted. It's not until one of them breaks or stops working and our laptops won't turn on that we truly have a crisis (mostly over lost internet time).
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.
In this video tutorial, viewers learn how to choose a drill. There are 3 types of drills: cordless drills, electric drills and rotary hammer drills. cordless drills run on batteries and have a hammer setting. cordless drills are able to drill into concrete with mason drill bits. Electric drills last much more longer than cordless drills, but are limited by the extension reach. Rotary hammer drills are only used to drill into concrete. Some drills require a chuck key. Others have a key-less ch...
Getting a pro to replace a broken thermostat can be costly, but if you pay close attention, you can learn how to replace it yourself.
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 electric doorbell.
This video teaches the basics of Ohm's law, which is an important equation in electrical engineering. The three variables which are used in this equation are V, which stands for voltage, I for current, and R for resistance. The equation for the law itself is I=V/R. This law defines the relationship between these three very important electrical properties. The host of the video further explains what voltage, current, and resistance are and how they work in relation to an electrical current. Gi...
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.
Soccer is the most popular sport in the world, and especially popular among young people in the United States. This video features a university soccer coach explaining several important drills for developing young soccer players, including two-touch passing and doing over-unders with the ball. Have you kid dominating the pitch in no time with these drills!
So you want to get your legs in shape quickly? The drill demonstrated in this how-to video is not only fun, but just a bit challenging and a great way to work your legs without injuring your knees. Supporting extra weight trains your feet to become a productive part of your swimming. Watch this video swimming tutorial and learn how to practice a double medicine ball eggbeater drill to improve leg strength.
