Flashcards in PK: Class 125VDC Deck (4)
How long will the Class Batteries provide power on a loss of AC?
What prevents the Class Battery Swing Chargers from being aligned to two PK buses at the same time?
A mechanical interlock
What from the PK system is required to operate SIC-653 or SID-654?
The Battery and the Battery Charger both have to be on the bus