2. The conductors and equipment for delivering electric energy from the power company to the wiring system of the premises served is called a:

3. The conductors between the point of termination of the overhead service drop or underground service lateral and the main disconnecting device in a building are known as:

4. The necessary equipment connected to the load end of the service conductors to a building or other structure and intended to constitute the main control and cutoff of the supply is known as:

5. The underground conductors through which service is supplied between the power company’s distribution facilities and the first point of their connection to a building or area service facilities located at the building or other support used for the purpose are known as:

6. In a balanced three-phase, 4-wire system, the current in the neutral conductor:

7. On a 240-volt, single-phase, 3-wire system, the neutral conductor will:

8. The unit used to measure current is the:

9. The minimum allowable current rating of 3-wire service-entrance conductors for a one family dwelling is:

10. The minimum allowable current rating of 3-wire service-entrance conductors for a one family dwelling with an initial net computed load of 10 kVA or more is:

11. What is the smallest copper wire size allowed for service-entrance conductors?

12. The smallest grounded or neutral conductor for an electric service using 1100 kcmil copper conductors is:

13. What is the minimum size electric service required on a single-family dwelling?

14. The name given to a system or circuit conductor that is intentionally grounded is:

15. To measure the area of a dwelling to determine the lighting load, the following dimensions are used:

16. What is the smallest copper wire size allowed for service-entrance conductors supplying loads consisting of limited loads of a single branch circuit?

17. The allowable number of service disconnects can consist of up to:

18. Service conductors that pass over a flat roof must have what clearance from the highest point of roof over which they pass?

19. Where the voltage between conductors does not exceed 300 and the roof has a slope of not less than 4 inches in 12 inches, the minimum clearance of service conductors is:

20. Where the voltage between conductors does not exceed 300, and not more than 6 feet of service conductors pass over not more than 4 feet of the overhang portion of the roof, and the conductors terminate in a through-the-roof raceway or other approved support, the clearance of service conductors above the roof is reduced to not less than:

21. Overhead service conductors, when not in excess of 150 volts to ground, that pass over residential sidewalks, finished grade (the ground), or over any platform or any projection from which the conductors may be reached, must have a minimum clearance of:

22. Overhead service conductors, when not in excess of 300 volts, that pass over residential driveways and commercial areas such as parking lots and drive-in establishments not subject to

truck traffic must have a clearance of at least:

23. Overhead service conductors, when not in excess of 600 volts, that pass over public streets, alleys, roads, parking lots, agricultural, or other areas subject to truck traffic must have a minimum clearance of:

24. Overhead service conductors, when not in excess of 600 volts, that pass over residential property, driveways, and those commercial areas not subject to truck traffic must have a minimum clearance of:

25. Multiconductor cables used for overhead service conductors must be attached to buildings or other structures by:

26. Power distribution blocks are permitted in a junction box when:

27. Service-entrance cable must be supported within what distance from the service head?

28. Service-entrance cable must also be supported at intervals of

29. What clearance must service conductors have from windows, doors, porches, fire escapes, or similar locations?

30. When installing a service head, the conductors of different potential must be:

31. Metal enclosures for service conductors and equipment must:

32. What size service is required for a 120/240-volt, single-phase load with a demand load of 36 kVA?

33. What size copper THW conductors are required for the service load in a 120/240-volt, single-phase load with a demand load of 36 kVA?

34. What size of rigid steel conduit is required to contain the three conductors copper THW conductors are required for the service load in a 120/240-volt, single-phase load with a demand load of 36 kVA?

35. What percentage of fill is allowed in a conduit with three conductors?

36. What size copper THHN conductors are required for the service load in a 120/240-volt, single-phase load with a demand load of 36 kVA?

37. What size of electrical metallic tubing (EMT) is required to contain the copper THHN conductors are required for the service load in a 120/240-volt, single-phase load with a demand load of 36 kVA?

38. When using 2 & 1/2-inch rigid steel conduit for a through-the-roof 120/240 volt service mast, what is the minimum distance the conduit can protrude above the roof?

39. What is the minimum size copper grounding electrode conductor allowed on an electric service utilizing No. 3/0 copper current-carrying conductors?

40. The main service disconnecting means should be located:

41. The NEC requires that all circuits over 150 volts to ground containing fuses have a disconnecting means located:

42. The general lighting load for residential services is calculated at:

43. Residential small appliance circuits are calculated at:

44. All metal enclosures for service conductors and equipment must be:

45. Mobile home service equipment shall not be rated less than

46. What is the ampacity of the conductors required for a 120/208-volt, three-phase, 4-wire commercial service with a load of 72 kVA?

47. What size aluminum THW conductors is required for a 120/208-volt, three-phase, 4-wire commercial service with a load of 72 kVA?

48. What size of rigid steel conduit is required for a 120/208-volt, three-phase, 4-wire commercial service with a load of 72 kVA?

49. What is maximum distance between supports of rigid steel conduit is required for a 120/208-volt, three-phase, 4-wire commercial service with a load of 72 kVA?

50. What is the maximum distance for a required support for rigid steel conduit from the service head?