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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

Jumper Cable

A short flat cable interconnecting two wiring boards or devices. Used as temporary con­nections during maintenance work on overhead lines. Usually the cables are light and robust for handling under difficult conditions.

Jumper Wire

See Jumper.

Junction

A point in a circuit where two or more wires are connected.

Junction Box

A box for joining different runs of raceway or cable, plus space for connecting and branching the enclosed conductors.

Jute

A natural fiber of plant base formed into rope-like strands. Used in cables for filling the interstices, to give a round cross-section.

Jute Filler

Rope-like strands of material used in cables for filling in the interstices to form a rounded shape.

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