2. A feeder is:

3. A bonding conductor or jumper is:

4. In locations where electric equipment would be exposed to physical damage, the following must be provided:

5. To provide access to the working space about electric

equipment, the following number of entrances of sufficient size

must be provided:

6. Externally operable means:

7. What must be provided for in all working spaces above service

equipment?

8. Parts of electric equipment which in ordinary operation produce arcs, sparks, flames, or molten metal shall be enclosed or separated and isolated from:

9. Working space in rooms containing electrical equipment shall not be used for:

10. In all cases where there are live parts normally exposed on

the front of switchboards or motor control centers, the working

space in front of such equipment shall not be less than:

11. Ampacity is defined as:

12. “Approved” as used in the NEC means:

13. A bare conductor is one with:

14. Which of the following anchors may not be used to secure electrical equipment to masonry walls?

15. A device designed to open and close a circuit by nonautomatic

means and to open the circuit automatically on a predetermined

overcurrent without damage to itself when properly applied within its

rating is called a:

16. A conductor encased within material of composition or thickness that is recognized by the NEC as electrical insulation is known as:

17. A separate portion of a conduit or tubing system that

provides access through a removable cover(s) to the interior of

the system at a junction of two or more sections of the system or

at a terminal point of the system is defined as a:

18. What device is now required to detect and protect against arcing in 15-and 20-amp branch circuits supplying outlets installed in dwelling units?

19. Which circuits must not be connected to any system containing trolley wires with a ground return?

20. The minimum headroom of working spaces about service

equipment, switchboards, panelboards, or motor control centers shall

be at least:

21. Indoor electrical installations over 600 volts that are open to

unqualified persons shall be made with:

22. Where switches, or other equipment operating at 600 volts, nominal, or less,

are installed in a room or enclosure where there are exposed energized parts or

wiring operating at over 600 volts, the high voltage equipment shall be effectively

separated from the space occupied by the low voltage equipment by a

suitable____.

23. An enclosed channel designed expressly for holding wires, cables, or busbars is called?

24. A contact device installed at an outlet for the connection of an attachment plug is called?

25. The NEC definition of “Qualified Person” is one who?

26. An unintentional, electrically conducting connection between an

ungrounded conductor and the normally non current carrying

conductors, metallic enclosures, metallic raceways, metallic

equipment, or earth, is called?

27. When an enclosure has been constructed so that exposure to

a beating rain will not result in the entrance of water under

specified test conditions, the enclosure is known as?

28. A point on the wiring system at which current is taken to supply utilization equipment is known as?

29. The agency that publishes the NEC is abbreviated as:

30. A large single panel, or assembly of panels, on which are

mounted switches, overcurrent and other protective devices will

fall under the definition of?

31. Any electric circuit that controls any other circuit through a

relay is called a:

32. Any electric circuit that energizes signaling equipment is

known as a:

33. A device which, by insertion in a receptacle, establishes connection between the conductor of the attached flexible cord and the conductors connected permanently to the receptacle is called one of the following:

34. A device that establishes a connection between two or more conductors by means of mechanical pressure and without the use of solder is called:

35. A continuous load is a load where the maximum current is

expected to continue for a certain length of time. This time is:

36. Which of the following qualifying terms indicate that a circuit breaker can be set to trip at various values of current, time, or both, within a predetermined range?

37. The ratio of the maximum demand of a system, or part of a

system, to the total connected load of the system or the part of the

system under consideration is known as:

38. Electric parts that are not suitably guarded, isolated, or insulated and are capable of being inadvertently touched or approached nearer than a safe distance by a person are known as:

39. A device intended for the protection of personnel that functions to de-energize a circuit or portion thereof within an established period of time when a current to ground exceeds the values established for a class A device.

40. The NEC uses the term “isolated” to mean:

41. Accessories such as locknuts, bushings, etc. are known as:

42. An arrangement of incandescent lamps or electric discharge lighting to call attention to certain features such as the shape of a building is called:

43. Operation of equipment in excess of normal, full

load rating is

known as:

44. Which of the following must not be allowed to come in contact

with interior parts of electrical equipment?

45. Which of the following best describes festoon lighting?

46. What is the term used to describe an enclosing case that will not allow dust to enter under specified test conditions?

47. What is an assembly of one or more enclosed sections having a common power supply (bus) and principally containing motor control units called?

48. What is the name of an electrical load where the wave shape of the steady-state current does not follow the wave shape of the applied voltage?

49. When the electrical equipment exceeds 6½ feet in height, what is the required minimum headroom?

50. Where must branch circuits and feeders be identified?