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Enterprise: Ag. Mechanics Job: Becoming Familiar with Electricity

Enterprise: Ag. Mechanics Job: Becoming Familiar with Electricity. Electrical Terminology. 1. Volts - measure of electrical pressure 2. Amperes - measure of electrical volume 3. Watts - measure of electrical useage 4. Formula : Watts = Amps x Volts

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Enterprise: Ag. Mechanics Job: Becoming Familiar with Electricity

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  1. Enterprise: Ag. MechanicsJob: Becoming Familiar with Electricity

  2. Electrical Terminology • 1. Volts - measure of electrical pressure • 2. Amperes - measure of electrical volume • 3. Watts - measure of electrical useage • 4. Formula: Watts = Amps x Volts • 5. Kilowatt Hour - unit by which electricity is sold

  3. Electrical Terminology G S • 6. Switch - device used to control the flow of electricity.

  4. Electrical Terminology S G • 7. Three-way Switch - used to control the flow of electricity from two different locations.

  5. Electrical Terminology D G • 8. Duplex Receptacle - electrical outlet or plug-in.

  6. Electrical Terminology SOURCE J • 9. Junction - electrical box where the source connects to the cable 10. Wire Nut - device used to connect two or more wires =

  7. Electrical Terminology • 10. Cable - two or more insulated conductors (wires) encased in an outer covering. • a. sizes (big to small) - 2, 4, 6, 8, 10, 12, 14, or 16 gauge • b. colors - black, white, bare/green, red

  8. Electrical Terminology • 11. Black Wire - common, power, hot • solid line • 12. White Wire - neutral • dashed line • 13. Ground Wire - safety (green or bare) • dot dash line • 14. Red Wire - power, hot • waved line

  9. Electrical Terminology • 15. Examples of Cables: • a. 12/2 = 12 gauge wires, 1 black, 1 white, and 1 bare ground (3 wires total) • b. 14/3 = 14 gauge wires - 1 black, 1 white, 1 red, and 1 bare ground (4 total)

  10. Electrical Terminology 16. Other a. a light fixture 17. Locate the amps and volts on the following shop tools or machines, then calculate watts: a. Drill Press d. Air Compressor b. 8” Bench Grinder e. Miter Saw c. Arc Welder f. Other? L

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