Description of the A-Code functions
| Function | Definition | Function abbreviation for display name |
|---|---|---|
| Busbar | A busbar is a system of electrical conductors in a generating or receiving substation on which power is concentrated for distribution. | BB |
| Busbar Section | BS | |
| Passive Node | 3B | |
| Substation | Facility equipment that steps up or steps down the voltage in utility power lines. Voltage is stepped up where power is sent through long distance transmission lines, and stepped down where the power is to enter local distribution lines. They can be classified as normal outside substation, armoured substation and underground substation. | UW |