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Cable lugs are connecting devices used primarily for terminating and joining cable and wire conductors in electrical installations and equipment.
In general, lugs are fixed to the cables and wires by inserting the conductor/s into the “barrel” (tube) of the device and then “crimping” (squeezing) the “barrel” onto the conductor/s to form a secure mechanical and electrical joint.
The devices are manufactured in a number of different designs and made from high conductivity copper (tin plated) or aluminium to suit various cable and wire types and specific installation requirements.
Careful consideration must be given to selecting the right product for an application.
The compression fitting is composed of an outer compression nut and an inner compression ring or ferrule (sometimes referred to as an “olive”) that is typically made of brass or copper.
Ferrules vary in shape and material but are most commonly in the shape of a ring with beveled edges.