Most have soft red or black plastic boots for cover. Suitable for creating electrical connections with insulation protecting the user. There are stainless steel, nickel-plated steel (silver), gold-plated steel, and copper (rose gold).īelow are the available types of alligator clips on the market and their typical uses: But sometimes, it is just a matter of aesthetics. Or in welding operations for absorbing excess heat.Īlligator clips also come in various types of metal and insulation colours, depending on the use. They are usually paired with battery chargers and jump leads. Moreover, larger units are often used for maintenance. For instance, in a school setting, to show the function of batteries, bulbs or circuity. They function the same way as a clothespin but can have different applications. These clips have two metal strips on each end, with one directly connected to the other. What makes it unique is its serrated jaws, which resemble the shape of crocodile’s mouth – thus, the name. Alligator ClipsĪn alligator clip is a spring-loaded metal clip used for temporary electrical connections. Keep reading to learn more about this versatile tool. One of the modern-day clips available on the market is alligator clips.Īlligator clips have an interesting design and incredible uses. Such devices connect two electrical components in a secure and precise way. In present times, they are widely used in home applications. Sarah Hansen teaches chemistry at Columbia University and researches chemistry education at Columbia's Teachers College.Among the popular types of electrical clips are alligator clips – but how can they be used?Įlectrical clips have been around for a long time. Touch one leg of the LED to each drawing let there be light! Connect one drawing to the battery's positive terminal with an alligator clip, and the other one to the negative terminal with a second clip. Test the copper with two separate plated drawings. When the drawing is completely covered in copper, disconnect the clips from the battery and dry the drawing with a paper towel.ĩ. The dissolved copper will plate onto your drawing. Submerge the pencil lead in the solution. Without letting the alligator clip touch the liquid, submerge the film in the bowl. Clamp the other black clip to the edge of your drawing.Ħ. Clamp a black alligator clip to the negative terminal of the battery. Clamp the other red clip to the mechanical pencil graphite.ĥ. Clamp a red alligator clip to the positive terminal of a 9-volt battery. Your picture needs to consist of a single, thick line and extend to the edge of the film.Ĥ. Draw an image on the scratched film with a No. Use fine sandpaper to roughen a piece of transparency film.ģ. When the vinegar turns blue, the copper is dissolved.Ģ. In a clear bowl, combine 3 tablespoons of copper sulfate with 1 cup of white vinegar. This turns the image into a circuit that can supply an LED with power. In this project, we're coating graphite (in the form of a pencil drawing) with copper, the material in electric wiring. The process is simple: Send current through a metallic salt solution to coat a conductive surface with metal ions. When you see a thin layer of metal-on anything from chrome car parts to drill bits to jewelry-electroplating probably has been at work.
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