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        Enameled wire & magnet wire
        Quality products for your business

        Contact Us
        • Contact: Miss Dong
        • Tel: 0086-371-55625861
        • Fax: 0086-371-55625861
        • Email: info@mgmagnetwire.com
        • Factory Add: Xinxiang Economy and Technology Gathering Aea ,Xinxiang City, Henan Pro. China.

        aluminum winding wire with enamel insulation

        Watch on :

        What is Winding Wire?

        Winding wire is another name for magnet wire. It is a copper or aluminium wire coated with a very thin layer of insulation or enamel that is used to change electric energy into winding energy.


        Magnetic wire can be found in applications which require tight coils of wire, including hard disk drives, transformers, electromagnets, loudspeakers, motors and inductors.

        Why is copper wiring coated with insulation?

        Because if the wire is "hot", that is, has electricity flowing through it, and you touch a bare wire, then YOU become the "ground" and complete the circuit. This will cause at the least a bad shock, and at the worst it will cause death. The "ground" wires are bare, but that is because they do not have electricity flowing through them unless something shorts out (ie a "hot" wire which is normally black or red in color touches a ground or neutral wire which is normally white. The "ground" wires are either bare or have a green coating.

        Winding Wire Specifications

        Winding wire will almost always be made of either copper or aluminum. Give than aluminum has lower overall conductivity than copper does, aluminium requires a cross-section that is 66% larger than a copper would require in order to achieve equal ratings. For this reason, aluminum wire takes up more space than copper wire. Transformer wire is usually made from copper that is electrolytic-tough pitch (ETP), also called oxygen-free copper. Larger transformers, which are lower voltage and have kilovolt-amperes (kVA) greater than 15, will sometimes use aluminum wire. The wire in the voice coil of a loudspeaker can be, in rare cases, made of silver, though copper or aluminum is much more common. Silver is a better conductor of electricity than copper, but is much more expensive since it is a precious metal. Aluminum wire raises the resonant frequency of the voice coil, which allows it to respond more easily to higher frequencies.


        Wire insulations are going to be either a yarn made out of polyester or fiberglass, a thin varnish, or possibly both. The insulation enhances the wire's thermal endurance. Square or rectangular wires that have thicker insulations can come with an additional high-temperature tape that is made out of polyimide or fiberglass. The windings are also covered with a varnish that extra insulating and is meant to help improve both the wire’s strength, as well as its reliability. The turns of bare wires, which do not have any insulation, would not be able to not touch each other. Insulated wire can be wound so that the wires do touch, since the insulation will protect the wire from shorting itself out. In the case of a wire needing to have hundreds or thousands of turns, the wire will require protection from insulation.


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