Transcript Enterprise: Ag. Mechanics Job: Becoming Familiar with

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
5. Kilowatt Hour - unit by which electricity
is sold
Electrical Terminology
6. Switch - device used to control the
flow of electricity.
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S
Electrical Terminology
7. Three-way Switch - used to control the
flow of electricity from two different
locations.
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Electrical Terminology
8. Duplex Receptacle - electrical outlet or
plug-in.
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Electrical Terminology
9. Junction - electrical box where the
source connects to the cable
SOURCE
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10. Wire Nut - device
used to connect two
or more wires =
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
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
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)
Electrical Terminology
16. Other
a. a light fixture
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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?