When we notice a Electrical ingredientsIt is easy to ignore small holes in the nails. However, these holes have a practical, technical and security function. Here we explain to you What are the holdings of the plugs really?.
Away from being a decoration or aesthetic occurrence, Holes in pegs It is part of a designed design for more than a century.
What is the origin of the holes owned by the plugs?
Modern design for Electric plugs It has its origin in 1904, when the American inventor Harvey Hobeel II obtained a patent patent.
About this innovation is the way in which electricity was used in homes, allowing devices to be connected and easily separated without unnecessary risks.
Over time, the design developed from simple cracks to the current Holes on the ends of pegs. This shift responded to the need to improve safety and improve communication between electrical appliances and power network.
In North America, Plugs The most used type A and B. The type on the account with flat sites without grounding, while the type B adds a third round plug to the grounding.
Both types participate in its inclusion Holes Near them Plugs.
What are holes in nails?
Although it passes without anyone noticing it by most people, these small holes have multiple technical purposes that help improve safety, electrical performance and economy in the manufacture of plugs.
After that, we explain to you Why the plugs contain holes?:
1. It improves retention and security
Inside many ports there are small springs or built -in bumps in these holes. This helps in keeping the ingredients firmly, and preventing it from separating them by mistake due to the movement of the cable or its weight. This recipient protects both equipment and user from possible failure or electrical accidents.
2. It guarantees a better electrical connection
Los Holes allow It continues between the exit ingredients and internal stations. This improvement in communication reduces the risk of wrong communication or sparkle, however, a potential loss of energy or unwanted heat generation.
3. They are allowed to implement additional security measures
In industrial or labor environments, Holes It can be used to include banning devices that prevent the use of ingredients until the insurance is removed. This provides an additional barrier against incorrect uses or electrical risks during maintenance missions.
4. It contributes to saving manufacturing costs
Although it seems simple details, the inclusion of holes reduces the necessary metal amount in each of them stopper.
This savings in the materials that, on a large scale, are important for manufacturers, without prejudice to the resistance or fossil functions.
Why not all plugs in the world are the same?
in spite of Write the plugs a and b It prevails in the United States, Canada, Mexico and Japan, not universal. In other regions of the world, different groups of pegs are used, affected by local regulations and electrical standards.
For example, in Europe Type C. YThe voltage designed from 220 to 240 volts in 50 Hz, unlike 120 volts in 60 Hz from North America.
These differences are due to historical, technical and standard factors, which have made the global monotheism of the delivery system difficult.
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