#1. The ungrounded conductor can be identified by the color _________.
#2. To reverse the rotation of a three-phase motor you would ____________.
#3. Wiring systems in wet locations should be ___________.
#4. A capacitor is a device that _____________ energy.
#5. The definition of accessible (wire):
#6. The total resistance of four 10 ohm resistors in parallel is __________.
#7. You would use an approved ________ to protect conductors from abrasion where they enter a box.
#8. The standard classification of branch circuits applied only to those circuits with ________ outlets.
#9. If the voltage is doubled the ampacity of a conductor _________.
#10. The Code is designed for safety regardless of _______________. I. Cost II. Time III. Maintenance IV. Efficiency V. Future structure
#11. A generic term for a group of non-flammable synthetic chlorinated hydrocarbons used as electrical insulating media.
#12. Insulating safety grips on tools __________.
#13. Two metals of different materials shall not be joined together in order to avoid the ______ action.
#14. Electricity may be produced by means of ______ forces.
#15. When installing raceway systems, it is essential that they be _________.
#16. Openings around electrical penetrations through fire-resistant rated walls, partitions, floors or ceilings shall be _________.
#17. The important function of a type S fuse is ________.
#18. On an insulated conductor the type letter “TW” indicates ________.
#19. The voltage drop in a line can be decreased by_______________. I. Increasing the wire size II. Increasing the current III. Decreasing the load
#20. The best type of fire extinguisher for an electrical fire is a ____________.
#21. The part of an electrical system that performs a mechanical function rather than an electrical function is called a (an) _____________.
#22. A load is considered as continuous if it is expected to continue for _________.
#23. When installing an instrument meter on a panel, to obtain accurate mounting __________.
#24. The rating of any one portable appliance shall not exceed ___ percent of the branch circuit rating.
#25. If the primary of the transformer is 480 and secondary is 240/120v, the wire on the _________ is larger.
#26. In other than residential calculations, an ordinary outlet shall be calculated at ________.
#27. An electrical condenser is best defined as _______________.
#28. The heating element in a toaster has a ___________.
#29. On a #4 drill bit, the #4 is determined by ________.
#30. When voltage and current appear at their zero and peak values at the same time, they are in ____.
#31. Copper-clad aluminum conductors have an ampacity __________.
#32. The neutral conductor shall not be ____________.
#33. What is meant by “traveler wires”?
#34. Solid wire is preferred instead of stranded wire in panel wiring because ____________.
#35. The output rating of a one horsepower motor is _______.
#36. A ___ device which serves to govern in some predetermined manner the electric power delivered to the apparatus to which it’s connected.
#37. A _________ is a certain type cartridge fuse that can be readily replaced.
#38. When working near acid storage batteries, extreme care should be taken to guard against sparks essentially to avoid __________.
#39. Impedance is present in the following type of circuit:
#40. “Thermally protected” appearing on the nameplate of a motor indicates that the motor is provided with a ____________.
#41. The reason for grounding the frame of a portable electric hand tool is to ___________.
#42. Which one of the following is not an insulator?
#43. In a residence, no point along the floor line in any wall space may be more than ___ feet from an outlet.
#44. The purpose of a Western Union splice is ____________.
#45. A generator exciter uses ______ current.
#46. If a low resistance is connected in parallel with a higher resistance, the combined resistance is ____.
#47. The advantage of cutting a metal rigid conduit with a hacksaw rather than pipe cutter is _____.
#48. Which of the following statements is incorrect?
#49. To mark a point on the floor directly beneath a point on the ceiling, it is best to use a ______.
#50. What is the maximum number of overcurrent devices allowed in a lighting and appliance panelboard?
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