The DC electrical power distribution system has four subsystems. Besides power source distribution and primary power distribution, which are the other two?

The DC electrical power distribution system has four subsystems. Besides power source distribution and primary power distribution, which are the other two?

• A. The battery charging distribution and avionics distribution
• B. The lighting distribution and environmental control distribution
• C. The control distribution and protection distribution
• D. The secondary power (load) distribution, and emergency power distribution systems

Answer: (D)