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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.


 

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

Blue Annealed Wire

See Wire, Blue Annealed.

Blue Brittleness

A brittle condition occurring when steel is worked between about 200 to 400°C (400 to 750°F), or when cold after being worked between these temperatures. Sometimes encountered in annealed or normalized low-carbon steels of very low alloy content that have been strained at about 260 to 270°C (500 to 520°F).

Blue Vitriol

See Vitriol.

Blued Plate

The surface of a black plate that has been oxidized at a suitable temperature with steam or air, to produce a blue color.

Blueing

1) A blue oxide film produced on steel by low-temperature heating. 2) Heat treatment of steel springs to relieve strains caused by cold work. 3) Baking in a drying oven until the bright-cleaned wire turns blue under the lime coat. Blueing, produced by heating to temperatures around 300°C (570°F), does not provide corrosion protection, but it is often used as the finish for heat-treated springs.

Blueprint

A drawing, usually to scale, showing sizes and shapes and dimensions of the different parts of a unit to be manufactured.

Boart

This term, included for historical purposes, once meant all stones not of gem quality, but it was changed to include stones that are not even useful for diamond tools. It is a material that can only be used for crushing purposes. Also called Bort, Boort, or Borts.

Bobbins

Metal spools used for taking up drawn wire and subsequently used for payout packages in cabling and stranding equipment.See Reel.

Bolted Fault

See Fault, Bolted.

Bond

1) Electrically interconnecting devices together in grounding circuits. 2) The junction of welded parts. 3) The adhesive for abrasive grains in grinding wheels.

Bond Blister

A blister that occurs at the interface between the coating and core in clad products, evident only on that surface of the sheet, shape or tube nearest the interface in question.

Bond Strength

Amount of adhesion between bonded surfaces, e.g. in cemented ribbon cable.

Bondable Wire

An insulated wire treated to facilitate adherence to materials such as potting compounds. Also, magnet wires used in making coils when bonding the turns together is desired.

Bonded Cable

Cable consisting of pre-insulated conductors or multi-conductor components laid-in parallel and bonded into a flat cable. See Solvent-Bonded, Adhesive-Bonded and Film Bonded.

Bonded Construction

A type of insulation construction in which the glass braid and nylon jacket are bonded together.

Bonded Flat Cable

Flat cable consisting of individually insulated conductors lying parallel and bonded together: application in electronics, telecommunications or computers.

Bonderizing

A trade name for a process where wire is coated with phosphate to produce a surface that is a very good lubricant carrier, thus reducing frictional resistance in wiredrawing.

Bonding Conductor

An insulated or uninsulated conductor forming part of the cable assembly which is used for the purpose of connecting non-current carrying parts of electrical equipment to a system grounding conductor.

Bonding Wires

These normally consist of a standard synthetic enameled wire overcoated with a thermoplastic material. The properties of the basic enameled wires are unaffected by the addition of the bonding coat, which permits the use of these wires in self-supporting formless coils.

Boom Attachment

A horizontal pole fitted to industrial trucks for the handling of wire in coil.

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