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Requirements January 1957 until June 1972

1. Do an experiment showing the law of electrical attraction and repulsion; make and operate a simple electromagnet.

2. Explain the difference between a direct and an alternating current and the common uses of each. Give one method of identifying the currents.

3. Make pencil sketches showing the construction and operation of a battery cell and an electric bell.

4. Explain why a fuse blows out and how to detect a blown fuse in your own home. Demonstrate how to safely replace it.

5. Explain the meaning of overloading a household electrical circuit. Tell what you have done to make sure that this unsafe condition does not exist in your home.

6. Properly splice and tape two pieces of insulated wire. OR Repair a frayed electrical cord where it enters and appliance or wall plug.

7. Demonstrate how to rescue a person in contact with a live wire in the home and show proper first aid treatment if the patient is unconscious from electrical shock.

8. Sketch the floor plan of a room in your home, showing light sockets, switches, and convenience outlets. Find out which fuses protect these.

9. Read correctly a watt-hour meter and compute a residence bill.

10. Explain ten electrical terms in common use, such as volt, ampere, watt, ohm, resistance, induction, circuit breaker, fuse transformer, main switch, insulation, cycle, rectifier, magnetic field, etc.

11. Do any two of the items listed: (a) Mount and connect a buzzer, bell, or light with a battery; have a key or switch in the line. (b) Make and operate a simple electric motor, not from a kit. (c) Construct a simple rheostat; show how it works. (d) Construct a single-pole double-throw switch; show that it works. (e) Make a proper connection of electric train equipment to a standard house circuit and show how it operates.