2. On a switchboard with busbars, phase B would have the highest voltage to ground in a:

3. A 200-ampere panelboard may supply a maximum load of:

4. Which of the following is not a requirement for an intersystem bonding termination?

5. Branch circuit conductors supplying information technology equipment shall have an ampacity of:

6. What is the maximum number of overcurrent devices permitted in a panelboard?

7. Insulated grounded conductors, in sizes larger than No. 6 AWG, may be identified by:

8. The minimum size copper equipment grounding conductor for a 200-ampere circuit is:

9. Auxiliary gutters must not be filled to greater than:

10. The working clearance between live parts for a system operating at 480 volts with exposed live parts on one side and grounded parts on the other side is:

11. In other than a dwelling, switchboards and panelboards must be marked to indicate:

12. Panelboards equipped with 30-ampere or less snap switches must be protected not in excess of:

13. Panelboards installed in health care facilities and serving the same individual patient vicinity must be bonded together with copper conductors not smaller than:

14. The panels of switchboards must be made of:

15. How shall busbars be mounted in a panelboard?

16. The maximum rating of overcurrent devices protecting panelboard instrument circuits is:

17. When blades of knife switches are open, they must be:

18. What is the minimum wire bending space allowed in a panelboard being fed with paralleled pairs of 2/0 conductors entering the enclosure through the wall opposite the terminals?

19. What is the minimum length required of a junction box in a straight pull?

20. Knife switches rated at over 1200 amperes at 250 volts or less, and at over 600 amperes at 251 to 600 volts, shall not be opened only under what condition?

21. Panelboards must be mounted in:

22. What type of front must be used for panelboard enclosures?

23. Metal panelboard cabinets and their related frames must be:

24. The working clearance between live parts for a system operating at 480 volts with exposed live parts on one side and no live or grounded parts on the other side of the working space must

be a minimum of:

25. Receptacles in patient care areas of pediatric locations must be:

26. What is the allowable ampacity for a 1/0 THHN conductor in a conduit with 5 other current carrying conductors?

27. What must be provided in a lighting and appliance panelboard to prevent installing more overcurrent devices than the number for which the panelboard is rated?

28. When keeping within the NEC requirements for the number of overcurrent devices allowed in a lighting and appliance panelboard, how many overcurrent devices are counted in one

2-pole circuit breaker?

29. How many overcurrent device spaces are counted when using one 3-pole circuit breaker?

30. A 40-circuit, single-phase, 3-wire lighting and appliance panelboard contains 18 1-pole circuit breakers. What is the maximum number of 2-pole circuit breakers that may be installed

in the panelboard?

31. What is the maximum number of main circuit breakers that may be used to protect a lighting and appliance panelboard on the supply side?

32. When is it permissible to install two wires under the same set-screw in a neutral?

33. A metal pole supporting a light fixture shall have an accessible handhole not less than ______ inches.

34. What is the maximum overcurrent device rating allowed for the protection of panelboard instrument circuits?

35. What is the minimum wire bending space required at the top and bottom of a panelboard that has one 3/0 conductor connected to each busbar in the panelboard?

36. What is the minimum wire bending space required at the top and bottom of a panelboard that has two 3/0 conductors connected to each busbar or terminal in the panelboard?

37. What is the minimum wire bending space required at the top and bottom of a panelboard that has three 3/0 conductors connected to each busbar or terminal in the panelboard?

38. All switches and circuit breakers, used as switches under normal operation, must be so located that they may be operated from:

39. What is the highest position the operating handle of a safety switch or circuit breaker may be located above the floor or working platform under normal working conditions?

40. On busway installations, fused switches and circuit breakers may be located at the same level as the busway provided:

41. When installing a grounded conductor in a panelboard each grounded conductor must be terminated in an individual terminal that is not also used for another conductor unless:

42. What is the maximum voltage allowed between adjacent snap switches, receptacles, and similar devices in an enclosure?

43. If safety switches are horsepower rated, the rating must be marked on the switch as well as:

44. A fused safety switch must not have the fuses connected in:

45. A cutout box installed in a damp and wet location shall be:

46. The minimum spacing allowed between bare metal surface-mounted, current-carrying parts of opposite polarity in a panelboard with voltage not exceeding 125 volts is:

47. If the bare metal parts specified in previous question are held free in air, what is the minimum distance?

48. The minimum spacing allowed between bare metal surface-mounted, current-carrying parts to ground in a panelboard with voltage not exceeding 125 volts is:

49. The minimum spacing allowed between bare metal surface-mounted, current-carrying parts of opposite polarity in a panelboard with voltage not exceeding 250 volts is:

50. The minimum spacing allowed between bare metal current-carrying parts (not exceeding 250 volts) of opposite polarity where held in free air is: