SS72012 datasheet(129/144 Pages) ACIT

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Glossary

Interconnecting Wire: The physical wiring between components

(outside a module), between modules between units or between larger

portions of a system or systems.

Interstice: A minute space between one thing and another, especially

between things closely set or between the parts of a body, such as the

spaces between strands in a stranded conductor.

Ionization Voltage (Corona Level): The minimum value of falling

RMS voltage which sustains electrical discharge within the vacuous or

gas-ﬁlled spaces in the cable construction or insulation.

IPCEA: Abbreviation for Insulated Power and Cable Engineers

Association.

Iron-Constantan: Thermocouple wire with one iron and one

constantan wire.The iron is the positive wire and the constantan is the

negative wire.Constantan is an alloy of copper, nickel, manganese, and

iron.

Irradiation: The use of ionizing radiation to alter the molecular

structure of plastic materials.

Jack: A plug-in type terminal widely used in electronic apparatus for

temporary connections.Also, the half of a mating pair of connectors

which does not incorporate the active mating mechanism.

Jacket: The outer covering of a cable.

Jumper: A short length of conductor used to make a connection

between terminals or around a break in a circuit.Usually a temporary

connection.

Junction: A point in a circuit were two or more wires are connected.

Jute: A natural ﬁber used in cables for ﬁlling interstices to give a round

cross-section.

Kapton®: Registered trademark of DuPont for its polyimide ﬁlm.

Kilovolt Ampere: 1000 volts X amperes.

Kirchoff’s Laws: 1) The algebraic sum of the currents which meet at

any point is zero.2) In any closed circuit the algebraic sum of the

products of the current and the resistance in each conductor in the

circuit is equal to the electromotive force in the circuit.

KYNAR®: Registered trademark of Pennwalt Corporation.

Polyvinylidene ﬂuoride (PVDF) is rated at 135˚C.

Lacing Cord or Twine: Natural or synthetic ﬁber used for lacing and

tying cable forms, hookup wires, cable ends, cable bundles, and wire

harness assemblies.

Lacing Tape: Flexible ﬂat fabric tape for tying harnesses and wire

bundles, securing of sleeves and other items, and general lacing and

tying applications.

Lacquer Finish: A coating of lacquer applied over braided wire or

cable for appearance and protection against fraying, wicking, moisture

absorption, and abrasion.

Laminates: Two or more layers, usually of different materials, bonded

or laminated together.

Lamp Cord: Flexible stranded conductor cord, with rubber or plastic

insulation, usually 14 to 18 AWG.Used for speaker cord, fans, lamps, etc.

Lap Wrap: Tape wrapped around an object in an overlapping

condition.

Lay: The lay of any helical element of a cable is the axial length of a

turn of the helix of that elements.(The helical elements of a cable may

be the individual strands in a concentric-lay cable, or each insulated

conductor in a multiple-conductor cable.) Also referred to as pitch.

Lead wire: A connecting wire, such as a test lead, battery lead, or

conductor brought out from a coil or winding.

LF: Abbreviation for Low Frequency (30–300 KHz).

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

Line Cord: A two-wire cord terminating in a two-prong plug at one

end used to connect equipment or appliances to a power outlet.

Line Voltage (Mains Voltage): Public power-supply voltage.In the

U.S., 115 to 120 volts AC.

Litz Wire: Wire made from a number of ﬁne, separately-insulated

strands specially braided or woven together for reduced skin effect and

lower resistance to high frequency currents for lower RF losses.The full

name is Litzendraht Wire.

Longitudinal Wrap: Tape applied longitudinally with the axis of the

core being covered as opposed to a helical or spiral tape wrapped core.

Loss Factor: The product of the power factor and the dielectric

constant.

Lossy Line: A coaxial cable with high attenuation.

Low Loss: Comparative term applied to a dielectric material or cable

that has a small amount of power loss over long lengths making it

suitable for transmission of radio frequency energy.

Low Noise Cable: Cable conﬁguration specially constructed to

eliminate spurious electrical disturbances caused by capacitance

changes or self-generated noise.

Low Tension: Low voltage, as applied to ignition cable.

Lug: Termination, usually crimped or soldered to the conductor.

Magnet Wire: Insulated wire typically for use in windings on motor,

transformer, and other coils for electromagnetic devices.

Marker Tape: A printed tape laid parallel to the conductors under the

jacket of a cable for identiﬁcation.

Marker Thread: A colored thread laid parallel and adjacent to the

strands of an insulated conductor for identiﬁcation.

MCM: Abbreviation for one thousand circular mils.

Melt Index: Extrusion rate of a thermoplastic material through an

oriﬁce of speciﬁed diameter and length under speciﬁed conditions of

time, temperature, and pressure.

Melt Range: The difference in degrees between the melt point of

material and its ﬂow point.

MFd: Abbreviation for microfarad, one millionth of a farad.The

standard unit of capacitance.

Microwave: A short electrical wave with a wave length usually less

than 30 cm.

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