Class A or Class B wiring
- ANN-BUS annunciator connector, Terminal 1 (+/A) and Terminal 2 (-/B)
- Class A wiring uses Terminal 3 (+/A Return) and Terminal 4 (-/B Return)
- Annunciators require non-resettable power
The following figure illustrates the maximum current that is possible for each major panel output circuit and the total current available from the FACP.
