#1. A stop switch is wired __________ in a motor circuit.
#2. Electrical current is measured in terms of __________.
#3. An autotransformer has __________.
#4. What type of meter is shown above?
#5. Concrete, brick or tile are considered as being __________.
#6. In the figure above is the symbol for a __________ panel.
#7. The location of a wall receptacle outlet in the bathroom of a dwelling shall be installed __________.
#8. On a delta three-phase four-wire secondary, how many hot wires may use the common neutral?
#9. It shall be permissible to apply a demand factor of __________ to the nameplate-rating load of four or more appliances fastened in place served by the same feeder in a dwelling.
#10. A corroded electrical connection __________.
#11. Insulated nonmetallic boxes are made of __________. I. Polyninyl chloride II. Bakelite III. Bower-Barff lacquer
#12. An overcurrent protective device with a circuit opening fusible part that is heated and severed by the passage of overcurrent through it is called a __________.
#13. The service conductors between the terminals of the service equipment and a point usually outside the building, clear of building walls, where joined by a tap or splice to the service drop is called the __________.
#14. A chain wrench can be used __________. I. With one hand only II. In confined places & close to walls III. For all sizes of conduit.
#15. An AC ammeter or voltmeter is calibrated to read RMS values; this means the meter is reading the __________ value.
#16. To cut rigid conduit you should __________.
#17. Tungsten-filament lamps can be used on __________ circuits.
#18. A fixture that weighs more than __________ pounds shall be supported independently of the outlet box.
#19. Is it permissible to install direct current and alternating current conductors in the same outlet box?
#20. Electrical equipment shall be installed __________.
#21. Voltage drop in a wire is __________.
#22. Conductors shall not be installed in locations where the operating temperature will exceed that specified for the type of __________ used.
#23. Which of the following is the best type of saw to use to cut a 3” diameter hole through 1⁄2” plywood?
#24. Which of the following machine screws has the smallest diameter?
#25. Which of the following is the most important factor contributing to an electricians safety on the job?
#26. Galvanized conduit has a finish exterior and interior of __________.
#27. A one-quarter bend in a raceway is equivalent to an angle of __________ degrees.
#28. A 3Ω, a 6Ω, a 9Ω and a 12Ω resistor are connected in parallel. Which resistor will consume the most power?
#29. The best way to lay out a 40 foot long straight line on a floor is to __________.
#30. Silver is used on electrical contacts to __________.
#31. Electricians should be familiar with the rules and regulations of their job mainly to __________.
#32. Listed ceiling (paddle) fans that do not exceed __________ pounds in weight, with or without accessories, shall be permitted to be supported by outlet boxes identified for such use.
#33. In order to prevent a safety hazard an electrician should never __________.
#34. Service drop conductors not in excess of 600 volts shall have a minimum clearance of __________ feet over residential property and driveways, and those commercial areas not subject to truck traffic.
#35. To determine if the raceway is truly vertical an electrician would use a __________.
#36. When conduit or tubing nipples having a maximum length not to exceed 24” arc installed between boxes they shall be permitted to be filled __________ percent of its total cross-sectional area.
#37. Before using rubber gloves when working on high voltage equipment in the gloves should be __________.
#38. Stranded wire should be __________ before being placed under a screw head.
#39. A 3Ω, a 6Ω, a 9Ω and a 12Ω resistor are connected in series. The resistor will consume the most power is the __________ ohm.
#40. The total of the following numbers 8 5/8”, 6 1⁄4”, 7 3/16”, and 5 1⁄4” is __________.
#41. A fusestat is different from the ordinary plug fuse because a fusestat __________.
#42. A fuse on a 20 amp branch circuit has blown. The fuse is replaced with a 20 amp fuse and the fuse blows when the switch is turned on. The electrician should __________.
#43. To sharpen an electrician’s knife, you would use a __________ stone.
#44. The decimal equivalent of 3/16” is __________.
#45. When drilling into a steel I-beam, the most likely cause for breaking a drill bit would be __________.
#46. Locknuts are sometimes used in making electrical connections on studs. In these cases the purpose of the locknuts is to __________.
#47. To cut rigid conduit you should __________.
#48. In the course of normal operation the instrument which will be least effective in indicating that a generator may overheat because it is overloaded, is __________.
#49. Two switches in one box under one face-plate is called a __________.
#50. A conduit body is __________.
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