Engine: Electricity

1. A Prevent any unintentional grounds in the main distribution system from affecting the refrigerated container distribution system.
2. B Step up the voltage from the main bus to the voltage required for the refrigerated container feeder bus.
3. C Step down the voltage from the main bus to the voltage required for the refrigerated container feeder bus.
4. D Prevent any unintentional grounds in the refrigerated container distribution system from affecting the main distribution system.

Tip: press A-D to answer