Chapter 12
Name __________________
Date ___________________
  1.  A simple power distribution system consists of a basic copper conductor called a ________________________, or bus.
  2.  The metal airframe (negative side of the voltage) is often referred to as the _______________________; hence this type of distribution system is often called a ________________________ ground system.
  3.  In all negative ground aircraft, the positive voltage is distributed to the electric equipment through insulated wires, and the negative is connected through the _______________________.
  4.  Since only one wire (and the ground) is needed to operate electric equipment in negative ground aircraft, this type of wiring is known as a _______________________ ...

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