Glossary

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There are 21 names in this directory beginning with the letter L.
Lacquer
A liquid resin or compound applied to textile braid to prevent fraying, moisture absorption, etc.

Laminated Tape
Tape consisting of two or more layers of different materials bonded together.

Lay Direction
The direction in which the wires of a conductor are twisted, or the twist of conductors in a cable.

Lay Length
The length measured along the axis of a wire or cable required for a single strand (in stranded wire) or conductor (in cable) to make one complete turn about the axis of the conductor or cable.

Lead
A wire, with or without terminals, that connects two points in a circuit.

Life Cycle
A test to determine the length of time before failure in a controlled, usually accelerated, environment.

Limited Smoke
A conductor rating that indicates the product has passed tests for low smoke production, short flame travel and duration.

Limits of Error
The maximum deviation (in degrees of percent) of a thermocouple or thermocouple extension wire from standard emf-temperature to be measured.

Limpness
The ability of a cable to lay flat or conform to a surface.

Line Voltage
Voltage existing in a cable or circuit.

Listed
Conductors or other equipment included in a list published by a national recognized testing laboratory.

Litz Wire
a stranded (bunched) or cabled conductor made of magnet wire in which each strand is insulated from every other strand.

Load
The amount of electrical power required by connected electrical equipment.

Local Area Network (LAN)
A baseband or broadband, interactive, bi-directional, communication system for information exchange on a common transmission line.

Longitudinal Shield
A tape shield, flat or corrugated, applied longitudinally with the axis of the core being shielded

Longitudinal Wrap
Tape applied longitudinally with the axis of the core being covered.

Loop Resistance
The total resistance of two conductors measured round trip from one end. Commonly used term in the thermocouple industry.

Loss
Energy dissipated without accomplishing useful work.

Loss Factor
The product of the dissipation and dielectric constant of an insulating material.

Low Loss Dielectric
An insulation material that has a relatively low dielectric loss, such as polyethylene or fluoropolymer.

Low Noise Cable
Cable configuration specially constructed to eliminate spurious electrical disturbances caused by capacitance changes or self-generated triboelectric noise.