NEC Prep Code Quiz 6 Straight Answer 406.12-511.3

47. In major repair garages where ventilation is not provided, any pit or depression below floor level shall be a Class 1, ________ location.

511.3(C) and Table 511.3(C) Division 1

49. Any pit for which ventilation is not provided below a minor repair garage floor level of a lubrication or service room is considered to be a Class 1, ______ location.

511.3(C) and Table 511.3(C) Division 2

50. Where Class 1 liquids or gaseous fuels will not be transferred in a minor repair garage, such location is considered to be a(n) -_____ location, provided the entire floor area has mechanical ventilation providing a minimum of four air changes per hour or one cubic foot per minute of exchanged air for each square foot of floor area.

511.3(C) and Table 511.3(C) unclassified

6. Article 411 covers lighting systems and their associated components operating at no more than _____ ac or ______ dc.

411.1 30V ac or 60V DC

18. The receptacle for a built-in dishwasher shall be located ______ occupied by the dishwasher.

422.16(B)(2)(6) adjacent to the space

21. Any combustible ceiling finish that is exposed between the edge of a ceiling-suspended (paddle) fan canopy or pan and an outlet box and that has a surface area of _____ sq in. or more shall be covered with noncombustible material.

422.21 180

10. The GFCI required for appliances shall be readily accessible, listed, and located ______.

422.5(B)(1),(2), and (3) within the branch circuit over current device, in a device or outlet with the supply circuit, in an integral part of the attachment plug

11. The GFCI required for appliances shall be readily accessible, listed and _______.

422.5(B)(4) and (5) located within the supply cord not more than 12 in. from the attachment plug, factory installed within the appliance

12. All appliances operating at ______ or more shall be listed.

422.6 50V

26. Electric space-heating cables shall be permitted to extend beyond the room or area in which they ________.

424.38(A) Originate

27. Electric space-heating cables shall not be installed ________.

424.38(B)(1),(2), and (3) in closets, other than as noted in 424.38(C), over the top of walls where the wall intersects the ceiling, over patriots that extend to the ceiling, unless they are isolated single runs of embedded cable.

28. Electric space-heating cables shall not be installed _______ walls.

424.38(B)(4) through or under

34. Unbounded 15 kW or smaller portable generators with both 125V and 125/250V receptacle outlets shall have _____ GFCI protection for personnel integral to the generator or receptacle on all 125V, 15A and 20 A receptacle outlets

445.20(A) listed

36. Bonded 15 kW or smaller portable generators shall be provided with GFCI protection on all 125V, _______ receptacle outlets.

445.20(B) 15A and 20A

38. If the 15 kW r smaller portable generator was manufactured remanufactured prior to _____, listed cord sets or devices incorporating listed GFCI protection for personnel identified for portable use shall be permitted.

445.20(B) EX to (A) and (B) 42005

37. Section 590.6(A)(3) provides the GFCI requirements for 15 kW or smaller portable generators used for temporary electric power and lighting.

445.20(B) Note TRUE

39. Storage batteries, other than lead-acid batteries, and battery management equipment shall be ________.

480.3 listed

40. Where mating dissimilar metals, antioxidant material suitable for the battery connection shall be used where _______ by the battery manufacturer.

480.4(A) recommended

41. Type PVC conduit, Type RTRC conduit, and Type HDPE conduit shall be permitted in Class 1, Division 1 underground locations where encased in a concrete envelope a minimum of _____ in. thick and provided with not less than _______in. of cover measured from the top of the conduit to grade.

501.10(A)(1)(a) Ex 2,24 in

44. Circuit breakers in Class 1, Division 2 locations that are not hermetically sealed or oil-immersed shall be installed in a Class 1, Division 1 enclosure.

501.115(B)(1)(1) and (2) TRUE

31. The minimum clearance between the heating elements of electric space-heating cables installed in ceilings and outlet boxes and junction boxes used for mounting surface luminaires shall not be less than ______ in.

424.39 8 in

1. In dwelling units, all nonlocking-type 125V and 250V, 15A and 20A receptacles installed _____ shall be listed as tamper resistant.

406.12(5),(6), and (7) In business offices, corridors, waiting rooms and the like in clinics, medical and dental office es, and outpatient facilities, as a subset of assembly occupancies described in 518.2 to include places of waiting transportation, gymnasiums, skating rinks, and auditoriums and in dormitories

3. The label required for switchboards, switchgear, and panelboards [408.4(B)] shall be permanently affixed, of sufficient durability to withstand the environment involved, and handwritten.

408.4(B) FALSE

2. All switchboards, switchgear, and panelboards supplied by a feeder(s) in _____ shall be permanently marked to indicate each device or equipment where the power supply originates.

408.4(B) other than one- or two-family dwellings

4. Luminaires that require adjusting or aiming after installation can be cord connected without an attachment plug provided the exposed cord is suitable for hard-usage or extra-hard usage and is not longer than that required for maximum adjustment.

410.62(B) TRUE

5. An electric-discharge or LED luminaire or listed assembly can be cord connected if the luminaire is located ______ the outlet, the cord is visible for its entire length except at terminations, and the cord is not subject to strain or physical damage

410.62(C)(1) Directly Below

7. Article 411 covers lighting systems and their associated components operating at no more than ______ ac or ______ dc where wet contact is likely to occur.

411.1 15V ac or 30 v dc

13. An in-sink waste disposer can be cord-and-plug-connected, but receptacles shall be _____ to protect against physical damage to the flexible cord.

422.16(B)(1)(3) located

14. The length of the cord for a trash compactor shall not be longer than ______ ft, measured from the face of the attachment plug to the plane of the rear of the appliance.

422.16(B)(2)(2) 4

15. The length of the cord for a built-in dishwasher shall not be longer than ______ ft, measured from the face of the attachment plug to the plane of the rear of the appliance.

422.16(B)(2)(3) 6.5

16. Receptacles for built-in- dishwashers and trash compactors shall be located to protect against physical damage to the ______.

422.16(B)(2)(4) flexible cord

17. The receptacle for a trash compactor shall be located _________ occupied by the appliance.

422.16(B)(2)(5) in the space or adjacent to the space

19. Range hoods shall be permitted to be cord-and-plug-connected with a flexible cord identified as a suitable for use on range hoods in the installation instructions of the appliance manufacturer provided _______.

422.16(B)(4)(2) and (3) the length of the cord is not less than 18 in. and not over 4 ft and receptacles are located to protect against physical damage to the flexible cord

20. Ceiling-suspended (paddle) fans shall be supported independently of an outlet box or by a listed ________.

422.18(1) and (2) outlet box or listed outlet box system identified for the use and installed in accordance with 314.27(C) outlet box system, a listed locking support and mounting receptacle, and a compatible factory installed attachment fitting designed for support, identified for the use and installed in accordance with 314.27(E)

22. For permanently connected appliances rated at not over _________ or 1/8 hp, the branch-circuit overcurrent device shall be permitted to serve as the disconnecting means where the switch or circuit breaker is within sight from the appliance or is lockable in accordance with 110.25.

422.31(A) 300 VA

23. For permanently connected motor-operated appliances with motors rated over _______, a switch or circuit breaker located within sight from the motor-operated appliance, or be capable of being locked in the open position in compliance with 110.25, can serve as a the appliance disconnect.

422.31(C) 1/8 hP

24. For cord-and-plug-(or attachment fitting-)connected appliances, a(n) _______ plug (or attachment fitting) and receptacle combination shall be permitted to serve as the disconnecting means.

422.33(A) accessible

25. For cord-and-plug-connected household electric ranges, an attachment plug and receptacle connection at the rear base of the range can serve as the disconnecting means, if it is ________ and meets the intent of 422.33(A).

422.33(B) accessible from the front by the removal of a drawer

8. ________ rated 250V or less and 60A or less, single- or three-phase, shall be provided with GFCI protection for personnel.

422.5(A)(1),(2), and (3) Automotive vacuum machines provided for public use, drinking water coolers, cord-and-plug connected high-pressure spray washing machines.

9. ______ rated 250V or less and 60A or less, single- or three-phase, shall be provided with GFCI protection for personnel.

422.5(A)(4) and (5) Tire inflation machines provided for public use, vending machines

29. Electric space-heating cables shall not be installed over cabinets whose clearance from the ceiling is less than the minimum _______ dimension of the cabinet to the nearest cabinet edge that is open to the room or area.

424.38(B)(5) horizontal

30. Electric space-heating cables shall not be installed _______.

424.38(B)(6) and (7) in tub and shower walls, and under cabinets or similar built-ins having no clearance to the floor

32. Where multimotor and combination-load equipment for air-conditioning and refrigeration is installed outdoors on a roof, a(n) _____ conductor of the wire type shall be installed in outdoor portions of metallic raceway systems that use non-threaded fittings.

440.9 equipment grounding conductor

33. Receptacle outlets that are a part of ______ kW or smaller portable generator shall have listed ground-fault circuit-interrupter protection (GFCI) for personnel integral to the generator or receptacle.

445.2 15

35. GFCI protection for 15 kW or smaller portable generators shall not be required where the 125V receptacle outlet(s) is interlocked such that it is not available for use when any 125/250V receptacle(s) is in use.

445.20(A) Ex TRUE

45. In Class 1 locations, attachment plugs shall be of the type providing for _____ a permitted flexible cord and shall be identified for the location.

501.145(B) connection to the equipment grounding conductor of

42. In Class 1, Division 1 locations, seals for cables entering enclosures shall be installed within _______ in. of the enclosure or as required by the enclosure marking.

501.15(D)(1) 18 in

43. In Class 1, Division 1 locations, only explosionproof unions, couplings, reducers, elbows, and capped elbows that are not larger than the ______ of the enclosure entry shall be permitted between the sealing fitting and the enclosure.

501.15(D)(1) trade size

46. In major and minor repair garages, where vehicles using Class _____ liquids heavier-than-air gaseous fuels (such as LPG) are repaired, hazardous area classification guidance is found in Table 511.3(C).

511.3(C) I

48. For each floor area inside a major repair garage where ventilation is not provided and Class 1 liquids or gaseous fuels are not transferred or dispensed, the entire area up to a level of ______ in. above the floor is considered to be a Class 1, Division 2 location.

511.3(C) and Table 511.3(C) 18 in