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    By Miles Nicholson


    AutoCAD Electrical uses a named source/destination concept to identify a wire network . You identify a wire to be the source, insert a source arrow on that network, and assign a source code name to it. On the wire network that is to be a continuation of the same wire number, whether on the same drawing or a different drawing in the project, you insert a destination arrow and assign it the same code name that you gave to its source. AutoCAD Electrical toolset matches source code names with destination names and copies source wire numbers over to the destination wire networks.

    Signal arrow codes can either be paired, in a source/destination unique combination, or be continuous from one drawing to another.

    When you update the signal code in one of the source arrows, the source and destination arrows with the same signal code in any drawing will be updated. From AutoCAD Electrical 2023, if you update the value of a signal code which spans several drawings, the editing of the signal code will now prompt the user to synchronise all of the source and destination arrows using the same signal code value.


    When you update the signal code in one of the source arrows, the link between the source arrow to other source or destination arrows is now maintained if you accept the suggested changes.