Interrupted path, symbol normally used only when required for complex or special-purpose diagrams
To ensure continuity, the interrupted-path break points must be in alignment
The asterisk is not part of the symbol. Identifying values, letters, numbers, or marks shall replace the asterisk.
Derivative from this file.
(in English) (1993)  315-1975 - IEEE Standard American National Standard Canadian Standard Graphic Symbols for Electrical and Electronics Diagrams (Including Reference Designation Letters), IEEE, p. 45  DOI:  10.1109/IEEESTD.1993.93397. ISBN:  0738109479.
Michel Bakni