junction box

See synonyms for junction box on Thesaurus.com
  1. an enclosure that houses electric wires or cables that are joined together and protects the connections.

Origin of junction box

First recorded in 1895–1900

Words Nearby junction box

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use junction box in a sentence

  • A junction box is placed in a known locality with telephone or telegraph cables leading therefrom to the shore.

  • Say, Tupper, I went over the junction-box in the alley back of the house.

    Whispering Wires | Henry Leverage

British Dictionary definitions for junction box

junction box

  1. an earthed enclosure within which wires or cables can be safely connected

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for junction box

junction box

[ jŭngkshən ]

  1. An enclosure within which electric circuits, such as the electrical wiring for different sections of a building, are connected to other circuits, such as outside power sources. Junction boxes are very common in telecommunications circuitry and are used to protect the connections and provide easy access to them.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.