The coil is an electrical conductor which is used in electrical engineering. It is used in the appliances where the currents interact with the magnetic fields. The coils are used in many devices such as inductors, generators, electric motors, sensor coils and more. The electric current is passed through the wire of the coil to generate the magnetic field. As the coils are used in different devices, so it is vital to protect the coil assembly from the vibration, moisture, corrosive chemicals and other conditions. In that case, Electromagnetic coils will be the best option. There are many industries which offer the encapsulated coils and other products with durability, superior quality and cost efficiency. The function of the encapsulated coil is almost similar to the solenoid coil, but the encapsulated coils are more effective and protect the coil from the moisture or other damages because it is coated in resin and covers the wire. Even there are many companies who are specialized in delicate and most complicated custom windings of Copper coils. These kind of coils are wound with self bondable wires. These kinds of coils are used in sensors, industrial, medical and military appliances. If you want to protect the coil, then you can look for such options. There are many companies which offer such kind of products. You can get the information of these companies on the web. The companies offer the customized service, they provide the product according to the project requirement, one can contact the providers directly.