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An electric wire ferrule (sometimes electric end terminal) is a metal tube crimped over
Ferrules: Your Best Insurance Against Costly Connection FailureWire Ferrules
Electrical power connectors
An electric wire ferrule (sometimes electric end terminal) is a metal tube crimped over stranded wire
Overhead power cabling. The conductor consists of seven strands of steel (centre, high tensile strength), surrounded by four outer layers of aluminium (high conductivity). Sample diameter 40 mm
A wire is a flexible strand of metal.
Wire is co ...
to secure the strands within a screw terminal
A screw terminal is a type of electrical connection where a wire is held by the tightening of a screw.
Description
The wire may be wrapped directly under the head of a screw, may be held by a metal plate forced against the wire by a screw, or ...
. Electrical insulation may be included to protect any exposed portion of the wire not completely inside the screw terminal post.
Stranded wire is preferred for most electrical applications because it is more reliable than solid wire. It is more flexible and durable because repeated bending will not cause it to break. Stranded wire can be more difficult to terminate, because the individual strands tend to separate after insulation is removed.
By placing the end of the stranded wire in a ferrule, the strands stay together.
Color code
According to DIN 46228, color indicates the intended wire size. Some manufacturers use their own color codes that differ from the DIN.See also
*Electrical termination
In electronics, electrical termination is the practice of ending a transmission line with a device that matches the characteristic impedance of the line. Termination prevents signals from reflecting off the end of the transmission line. Reflect ...
*Crimp (electrical)
An electrical crimp is a type of solderless electrical connection.
Crimp connectors are typically used to terminate stranded wire. The benefits of crimping over soldering and wire wrapping include:
* A well-engineered and well-executed crimp is ...
*Electrical connector
Components of an electrical circuit are electrically connected if an electric current can run between them through an electrical conductor. An electrical connector is an electromechanical device used to create an electrical connection between ...
*Solder joint
Soldering (; ) is a process in which two or more items are joined by melting and putting a filler metal (solder) into the joint, the filler metal having a lower melting point than the adjoining metal. Unlike welding, soldering does not involv ...
*
References
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Ferrules: Your Best Insurance Against Costly Connection Failure
Electrical power connectors