Definitions for calling drop

This page provides all possible meanings and translations of the word calling drop

The Standard Electrical Dictionary

  1. Calling Drop

    In a telephone exchange or telegraph office a drop shutter annunciator, which falls to call the attention of the operator, notifying him that the line connected to such drop is to be connected to some other circuit.


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"calling drop." STANDS4 LLC, 2015. Web. 31 Jan. 2015. < drop>.

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