Name:______Date:______
Energy Technology
A/C Wiring & Electricity Concepts Review
Mr. Barber Mr. Harris
1. In electricity, what universal body moves through the circuit?
A. Protons
B. Neutrons
C. Ions
D. Electrons
2. What method do voltaic cells use to produce electricity?
A. Thermal
B. Chemical
C. Nuclear
D. Magnetic
3. A group of voltaic cells, packed tightly together, in a self-contained unit is called a:
A. Group
B. Cell
C. Battery
D. Pack
4. What fluid do voltaic cells rely on in order to generate their electricity?
A. Acid
B. Water
C. Oil
D. Saline
5. A flexible metal pathway, usually copper, which is used to direct electricity to a desired location is known as a:
A. Conduit
B. Cable
C. Wire
D. Passage
6. The rubber or plastic coating found around electrical wire and cable is known as:
A. Protectant
B. Sheath
C. Insulation
D. Coating
7. A mechanical device placed within an electrical circuit which allows control of the current by temporarily connecting or disconnecting the circuit is known as a:
A. Outlet
B. Ground
C. Transformer
D. Switch
8. A device used to increase or decrease the voltage of electricity is called a:
A. Ground
B. Transformer
C. Breaker
D. Switch
9. Materials which have high electrical conductivity are known as:
A. Insulators
B. Conductors
C. Transformers
D. Resistors
10. Materials which have a low (or no) electrical conductivity are known as:
A. Insulators
B. Conductors
C. Transformers
D. Resistors
11. A group of electrical wires, bound together, are known as:
A. Conduit
B. Cable
C. Braid
D. Pipe
12. A location, within an electrical circuit, where power will go “out” to a device is called an:
A. Intersection
B. Junction
C. Outlet
D. Receptacle
13. A threaded, mechanical connector used to hold multiple wires together is known as a:
A. Snap Ring
B. Thread Lock
C. Metal Crimp
D. Wire Nut
14 – 16 List the 3 rules of General Wiring in the correct order
1st : ______
2nd :______
3rd :______
17. The national “rule book” for all electrical wiring is the:
A. NEC
B. NERB
C. NECom
D. NEA
18. A device used to stop the flow of electricity in the advent of an overload is called a:
A. Switch
B. Outlet
C. Breaker
D. Dimmer
19. The type of electrical current flow where electrons move in only one direction is known as:
A. Alternating Current
B. Direct Current
C. Phase Current
D. Input Current
20. The type of electrical current flow where electrons change direction on a specific cycle is known as:
A. Alternating Current
B. Direct Current
C. Phase Current
D. Input Current
21. Which type of current flow can be found in a standard household circuit?
A. Alternating Current
B. Direct Current
C. Phase Current
D. Input Current
22. What voltage level can be found in a standard household outlet?
A. 400v
B. 340v
C. 500v
D. 120v
23. How many volts are present at each lamp in the circuit shown ?
A. 3.0v
B. 1.5v
C. 1.0v
D. 3.5v 1.5 v
24. Electrons move from a high to a low in order to maintain neutrality. The resulting movement creates:
A. Current
B. Voltage
C. Amperage
D. Phase
25. A mechanical device used to create electrical energy is known as a:
A. Stator
B. Coil
C. Generator
D. Transformer
26. Electricity is commonly found in two major forms, single phase and three phase.
A. True
B. False
27. Which one of the following methods for producing electricity does NOT rely on steam?
A. Geothermal
B. Coal – Fired
C. Solar
D. Nuclear
28. A modern form of coal-fired electrical production where the precise amount of fuel and air are mixed to create a nearly 100% efficient combustion is known as:
A. Scrubbing
B. Stoichiometric
C. Washing
D. Intrinsic
29. What type of cell is used on a solar panel?
A. Incandescent
B. Thermal
C. Photovoltaic
D. Stoichiometric
30. A fission reactor joins two atoms together in order to create heat.
A. True
B. False
31. Wind generated electricity is environmentally friendly, and emits no pollution.
A. True
B. False
32. Identify this tool à à à
A. Wire Cutters
B. Electricians Pliers
C. Needle Nose Pliers
D. Long Nose Pliers
33. Identify this tool à à à
A. Wire Cutters
B. Electricians Pliers
C. Needle Nose Pliers
D. Long Nose Pliers
34. Identify this tool à à à
A. Wire Cutters
B. Wire Strippers
C. Wire Crimpers
D. Wire Snippers
35. The size (diameter) of electrical wire is measured in:
A. Inches
B. Millimeters
C. Feet
D. Gauge
36. Identify this tool à à à
A. Wire Crimp
B. Wire Nut
C. Wire Screw
D. Wire Thread
For the following questions, read each statement and decide whether it is TRUE or FALSE. If it is true, indicate by writing “TRUE” in the space provided. If it is FALSE, indicate by writing FALSE in the space provided. Illegible markings will be marked incorrect.
37. Only a certified electrician should make electrical repairs in your home. ______
38. When wiring A/C, grounded connections must occur in each junction box. ______
39. It is not necessary to use Wire nuts to twist multiple wires together. ______
40. Most residential homes use three-phase power. ______
41. Fuses operate by overheating and melting, causing the connection to terminate. ______
42. Fuses and Breakers are similar in purpose, but different in their operation. ______
43. An extra piece of wire used to make a jumper connection is known as a Fox tail. ______
44. An SPST Switch and a DPST switch have the same basic On / Off function. ______
45. It is permissible for bare wire to be exposed below the terminal connection on a switch. ______.
46. Hooks or loops on wires are made in the counter-clockwise direction. ______
47. 14-2 AWG and 14-3 AWG cable contain the same number of grounding wires. ______
48. AWG stands for American Wire Gauge and is used to indicate wire diameter. ______
49. Porcelain lamp holders can be mounted to rectangular switch boxes. ______
50. GFI outlets are most commonly installed in areas near water sources. ______