This standard applies to wiring, devices, and equipment such as lighting, power, communication, signals, disaster prevention, and lightning protection equipment in general indoor wiring.
KS C 0301-1990 history
2020KS C 0301-2020 Graphical Symbols of Interior Wiring Diagram for Architectual Plans
1990KS C 0301-1990 Graphical Symbols of Interior Wiring Diagram for Architectual Plans