1997 State Competition                                                         Contestant # ___________________
FFA Agricultural Mechanics Contest                                        Contestant Name _______________
University of Missouri                                                                 Chapter_______________________
50 points
 
 
 

ELECTRICAL CIRCUITS

Objectives:
1.  Demonstrate wiring skills by connecting a porcelain fixture.
2.  Demonstrate wiring knowledge by indicating proper connections in a duplex receptacle.
3.  Demonstrate wiring knowledge by identifying a properly wired switch.
 
Materials needed:  1 piece 12-2 with ground, 1 porcelain fixture, 1 metal fixture box with cable clamps, 1 g-clip, various tools provided.

Directions:

1. Wire the porcelain fixture to meet NEC code.
2. DO NOT cut the wire, use the length given.
 
 Point Evaluation             Points
       Possible        Earned
 Wiring the porcelain fixture
  -circuit color coded properly....................     3             ______
  -cable secured to box...............................     3             ______
  -cable covering removed properly.............     3             ______
  -free conductor length..............................     3             ______
  -insulation removed properly....................     3             ______
  -proper use of grounding clips.................     3             ______
  -proper connection to screws..................     3             ______
 
 Work habits and shop safety                         5             ______

3. Complete the questions on the following page using the attached diagrams.

 Points from questions (6 points each) 24 ______

4. Hand in to the contest official.

 Total points earned 50 ______

Electrical Problem Solving

1.  Which wire should be connected to the terminal labeled "C"?

 A. 1
 B. 2
 C. 4
 D. 6
 E. 1 or 4

2.  Which wire should be connected to the terminal labeled "A"?

 A. 3
 B. 2
 C. 5
 D. 4
 E. 5 or 2

3.  Where should wire 3 be connected?

 A. D
 B. F
 C. G
 D. B
 E. C
 
4.  Where should wire 5 be connected?

 A. E
 B. G
 C. C
 D. B
 E. D
 
5.  Where should wire 6 be connected?

 A. E
 B. F
 C. B
 D. C
 E. G

6.  Which switch is wired correctly?

 A. 1
 B. 2
 C. 3
 
 
 

         Please Note: These
         llustrations are for
         question number 6.
        A.

        B.

        C.
 
 

Please note that this diagram is needed for questions one (1) through five (5).