For lighting and small power supplies that are taken from a distribution board, run in armored cable, and scheduled, the cable numbers shall be formed from the distribution board reference, the sub-circuit reference number, and the section of the circuit which is cabled. This standard describes requirements for numbering and labeling of real property electrical distribution equipment, circuits, and site lighting at Lawrence Livermore National Laboratory. This is an internal LLNL standard meant to guide the design of new facilities, facility modifications, and. You have opened the Settings: Cable numbering dialog, for example via the commands File > Settings > Projects > "Project name" > Device > Cable (automatic). Any control cables connecting different equipment through terminals should follow the circuit numbering principles.
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