Paper insulated copper wire, also known as paper-covered wire or magnet wire, is a type of electrical wire commonly used in the construction of electromagnets, transformers, and other electrical equipment. This type of wire is made by wrapping a thin layer of high-quality paper around a copper wire. The paper provides excellent insulation and protection from damage, while the copper core provides electrical conductivity.

The 0.4*126 mm size of paper insulated copper wire is a common specification used in many different applications. This size is small enough to be used in tight spaces, yet large enough to carry a significant amount of electrical current. It is also versatile enough to be used in a wide range of applications, from small hobby projects to industrial machinery.

One of the primary advantages of paper insulated copper wire is its excellent electrical properties. The copper core provides a low resistance path for electrical current, allowing for efficient transmission of electricity. Meanwhile, the paper insulation provides excellent dielectric properties, which means it can withstand high voltages without breaking down.

Another advantage of paper insulated copper wire is its durability. The paper insulation provides excellent protection from physical damage, moisture, and other environmental factors that can cause electrical wires to degrade over time. This makes it an excellent choice for use in harsh environments, where other types of wires may fail.

In addition to its electrical and physical properties, paper insulated copper wire is also easy to work with. It can be easily bent and shaped to fit a wide range of applications, and it can be soldered or welded to other components without difficulty. This makes it an excellent choice for hobbyists and professionals alike.

However, it's important to note that paper insulated copper wire does have some limitations. For example, it is not suitable for use in high-temperature environments, as the paper insulation can degrade and break down under prolonged exposure to heat. It is also not suitable for use in high-voltage applications, as the paper insulation may not provide adequate protection against electrical arcing.

Overall, paper insulated copper wire 0.4*126 mm is an excellent choice for a wide range of electrical applications. Its combination of excellent electrical properties, durability, and ease of use make it a popular choice among hobbyists and professionals alike. Whether you're building an electromagnet, a transformer, or any other type of electrical equipment, paper insulated copper wire is an excellent choice that will provide reliable performance for years to come. See the paper covered wires in LP.