Crocodile clips

November 1, 2021

Alligator clips are laboratory instruments used to securely hold other instruments. They are not only used in laboratories, but they are so functional that they are used in electronics, electricity, mechanics and medicine depending on the material with which they are made.

What are they?

They are plastic, wooden or metal laboratory instruments that are characterized by having a scissors grip at one end, where the fingers and thumb are held in order to apply pressure.

These forceps feature a characteristic hinged serrated jaw, from which it derives its name. They come in various sizes and are used for different tasks . You can find them with a size between 15 and 40 mm in diameter.

Its shape is very similar to the hooks used to hang freshly washed clothes.

Uses of the crocodile clip in different fields

This type of tweezers, with some modifications, are used in different fields:

Dentistry: Alligator clips are used at the ends of a cord to secure a protective bib over a patient’s clothing.

Laboratory: They are used as a quick and cheap way to assemble and modify experimental circuits. They are very useful for connecting components to cables.

Electronics: They are used as a heat sink for devices that are sensitive to the heat of soldering.

Types of alligator clips

Depending on their application, there are several types of crocodile clips:

Alligator clips in electricity and electronics

For use in electrical and wiring related applications they are known as alligator clips.

In electronics they act as heat sinks for devices. They are used in magnifying glasses with support and tweezers, it is an instrument specially designed for welding and for repair work. They can have 360º rotation and be adjustable.

Some have a USB cable for operation , although they can be powered by batteries.

They can be used together with a multimeter (analog or digital) in order to create a temporary electrical connection to measure electrical components such as: Capacitors, diodes, resistors, continuity, low current voltages, among others.

The grips on these alligator clips are made of insulating material to prevent accidental short circuits.

Alligator clips for veterinary and surgery

They have a long range and good maneuverability, they are used to retrieve foreign objects such as surgical dressings within the body. In this case, they are instruments that keep the jaws open as long as pressure is not applied to their handles, this allows them to be inserted into small cavities and reopened to retrieve objects or remove tissues.

Their serrated edges cause less damage to organ tissue than flat forceps, as the pressure is spread over small areas.

They are made of high-grade carbon steel, so they can be sterilized and used again.

They are used primarily to remove foreign objects and implant small devices.

Alligator clips for laboratory

They are used in chemistry laboratories as a cheap and convenient means of assembling and modifying experimental circuits. They are very useful for making connections with cables.

Alligator clips for mechanics

They are larger in size and are known as battery clamps . They use thick insulated cables with a copper interior to make the connections between the battery and the other components of the vehicle.

Dr. Loony Davis5
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Born and raised in Brussels in an English family, I have always lived in a multicultural environment. After several work experiences in marketing and communication, I came to Smart Water Magazine, which I describe as the most exciting challenge of my career.
I am a person with great restlessness and curiosity to learn, discover what I do not know, as well as reinvent myself daily, someone who is curious about life and wants to know. I enjoy sharing knowledge.
This is my personal project but I also collaborate in other blogs, it is the case, the most important web on water currently exists in the US, if you are interested you can read my articles here.

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