2. The advantage of using a storage battery rather than a dry cell is the storage battery ________.

3. The least desirable device for measuring an electrical cabinet containing live equipment is a ____.

4. The relationship of a transformer primary winding to the secondary winding is expressed in ____.

5. When the size #12 of a stranded wire is referred to, this number specifies the _______.

6. The purpose of a clip clamp is to ________.

I. Ensure good contact between the fuse terminals of cartridge fuses and the fuse clips

II. Make it possible to use cartridge fuses of a smaller size than that for which the fuse clips are intended

III. Prevent the accidental removal of the fuse due to vibration

7. To increase the life of an incandescent light bulb you would ________.

8. Which of the following statements about mounting single-throw knife switches in a vertical position is (are) correct?

I. The switch shall be mounted so that the blade hinge is at the bottom

II. The supply side of the circuit shall be connected to the bottom of the switch

9. When re-routing conduit, it may be necessary to increase the wire size, if the distance is greater, in order to __________.

10. One megohm is the equivalent of __________.

11. On smaller gauges of wire, they are pencil-stripped to prevent ___________.

12. Galvanized conduit is made of __________.

13. The frame of a motor is usually positively grounded to _________.

14. When wrapping a splice with both rubber and friction tape, the main purpose of the friction tape is to _____.

15. An electrician should not wear shoes that have sponge rubber soles while working mainly because they __________.

16. The transformer output is measured by __________.

17. Which of the following hacksaw blades should be used for the best results in cutting EMT?

18. So constructed or protected that exposure to the weather will not interfere with successful operation is __________________.

I. Weather proof

II. Raintight

III. Watertight

19. The rating of the largest size regular plug fuse is ____ amperes.

20. A hacksaw with fine teeth used to cut raceways is commonly called a ______________.

21. You shouldn’t use a file without a handle because ____________.

22. The brightness of an incandescent lamp is rated in ___________.

23. If the primary winding of a 10 to 1 step down transformer has 20,000 turns, the secondary winding should have ______ turns.

24. An electron is _________.

25. The signals of electrical injury may include __________.

I. Unconsciousness

II. Weak, irregular, or absent pulse

III. Dazed, confused behavior

26. This CODE is intended to be suitable for mandatory application by governmental bodies exercising legal jurisdiction over ____________.

I. Electrical installation

II. And for use by insurance inspectors

27. The name of the tool common used for bending small size conduit is a _______.

28. When cutting holes in masonry which of the following tools is most commonly used?

29. Electrician’s diagonal lineman pliers should not be used to cut __________.

30. One of the following is the first thing to do when a person gets an electric shock and is still in contact with the supply.

31. A “mil” measures ___________.

32. The term “hertz” means ___________.

33. The difference of electrical potential between two conductors of a circuit is the ________.

34. The letters DPDT are used to identify a type of ___________.

35. The term “ampere-hour” is associated with __________.

36. Which of the following would improve the resistance to earth?

I. Use multiple ground rods

II. Treat the soil

III. Lengthen the ground rod

37. A tap tool is a tool used to _________.

38. When cutting a metal conduit with a hacksaw, the pressure applied to the hacksaw should be on _________.

39. The switches to be closed in order to obtain a combined resistance of 5 ohms are ________.

40. When the term “10-32” in connection with machine screws commonly used in lighting work, the number 32 refers to ____________.

41. To fasten a box to a terra cotta wall you would use ____________.

42. The output winding of a transformer is called the ____________.

43. The flux commonly used for the soldering of electrical conductors is ___________.

44. A shunt is sometimes used to increase the range of an electrical measuring instrument. The shunt is normally used when measuring __________.

45. A battery operates in the principle of ___________.

46. When an electric current is forced through a wire that has considerable resistance, the ______.

I. Ampacity will decrease

II. Voltage will drop

III. Wire will heat up

47. The continuity of an electrical circuit can be determined in the field by the means of ________.

48. A wattmeter is connected in _______ in the circuit.

49. A shunt is used to measure _________.

50. Which of the following is the symbol for a duplex outlet, split circuit?