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The Book of Terms

The Book of TermsThe WJI Book of Wire & Cable Terms: an interactive experience of learning and sharing
This book, written by industry volunteers and containing more than 5,000 entries, is an asset for newcomers to wire and cable.

At the same time, it also represents an opportunity for industry veterans to give back by either updating or adding to the more than 5,000 entries. This is an honor system process. Entries/updates must be non-commercial, and any deemed not to be so will be removed. Share your expertise as part of this legacy project to help those who will follow. Purchase a printed copy here.

   

 

All   0-9   A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Line Balance

The degree to which the conductors of a cable are alike in their electrical characteristics with respect to each other, to other conductors, and to ground.

Line Block Coilers

One of the basic four types of take-ups used in wiredrawing operations, the others being deadblock coilers, stripper blocks and spoolers. See Take-up.

Line Cord

A cord, terminating in a plug at one end, used to connect equipment or appliances to a power outlet.

Line Drop

A voltage loss occurring between any two points in a power or transmission line. Such loss, or drop, is due to the resistance, reactance, or leakage of the line.

Line Equalizer

A reactance (inductance and/or capacitance) connected in series with a transmission line to alter the frequency-response characteristics of the line.

Line Finger

A rope attached to a device on a pole when a device is hung, so further conductor installation can be done from the ground.

Line Level

The level of a signal at a certain point on a transmission line. Usually expressed in decibels.

Line Loss

1) The total of the various energy losses occurring in a transmission line. 2) Pressure losses in pipe lines feeding fluids to various operations.

Line of Force

Used in the description of an electric or magnetic field to represent the force starting from a positive charge and ending on a negative charge.

Line Tag

A rope to guide devices that are being hoisted.

Line Voltage

The value of the potential existing on a supply or power line. Rated voltage of cables.

Line Wires

A term used to describe the wires in a welded wire mesh held together by a cross wire. A term for the top or bottom horizontal wires used in chain link and field fencing. A line wire is sometimes used at intervals throughout the depth in chain link fencing to add extra strength to its con­struction.

Line, Bull

A rope for large loads.

Linear

Arranged in a line. A relationship whereby two variables are in direct proportionality, such as stress and strain in linear elasticity.

Linear Time Card

Term used in the regulation of a dancer to maintain constant tension during a wiredrawing operation. The linear time card is used in place of a tachometer on a master drive to perform the necessary control. It adjusts the speed of the follower to match the speed of the master.

Linearity

When the effect is proportional to the cause in the first degree.

Link

An assembly of telecommunications facilities between two points, not including terminal equipment.

Link Fabric

A wire foundation made from a succession of wires linked together to form the foundation of bed springs, cots and some types of upholstery.

Link Wire

A drawn or wiped galvanized mild steel wire for the manufacture of link fabric for cots and similar constructions. Also called square link mesh wire.

Linseed Oil

Used as a lubricant in wiredrawing and obtained from the seed of flax.
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