2005 NEC Code Changes Quiz
Indicate if each statement is true or false by placing a T or F to the left
of the statement number.
1. A wire nut is defined as a device.
2. Branch circuits shall be posted at each panelboard.
3. A clothes washer receptacle must be GFCI protected if less than 6 feet from a
sink.
4. Receptacle outlets in commercial kitchens must be GFCI protected if 120 volts
20 amps.
5. Receptacles installed outdoors in public places must be GFCI protected of 120
volt 20 amp.
6. Receptacles used for residential boat hoists must be GFCI protected if 120
volts 20 amps.
7. AFCI receptacles may be installed within 6 feet of a panel if in a metallic
raceway.
8. All outlets in dwelling unit bedrooms shall be AFCI protected by 1/1/08.
9. A receptacle outlet is not required behind a sink if less than 12 inches to
the wall.
10. An outlet is not required behind a kitchen sink in a corner
cabinet if less than 18 inches to the corner.
11. A receptacle outlet may be installed in a bathroom vanity instead of a wall.
12. Front and back outdoor receptacles are required for all multi family
dwellings with grade level access.
13. Voltage drop calculations are mandatory for fire pumps and sensitive
electrical equipment.
14. Raceways on the exterior of a building shall be raintight in wet locations.
15. Sheet metal screws are not allowed for fastening grounding conductors.
16. Surge suppressors are permitted on the line side of service disconnect.
17. Circuit breakers shall open all ungrounded conductors manually and
automatically.
18. Maximum height permitted to center of grip of a circuit breaker is 6 foot 7
inches.
19. Equipment bonding jumpers are sized based on parallel derived phase
conductors.
20. A metal frame of a building must have 10' or more in direct contact with
earth to be grounding electrode.
21. A metal frame of a building may be used as a grounding electrode.
22. FMC must have an equipment grounding conductor installed where flexibility
is required.
23. LTFMC must have an equipment grounding conductor installed where flexibility
is required.
24. At least one insulating washer must be removed from a receptacle to get good
metal to metal contact.
25. Steel nail plates shall cover the area of all wiring run through cuts in
furring strips.
26. Nail plates must be installed when cable is closer than 1 1/4 inches from
the edge of a furring strip.
27. A steel plate less than 1/16" is permitted if it provides equal or
better protection against nail penetration.
28. Short sections of a raceway are permitted for physical protection of cable.
29. LTFMC is not permitted inside ducts or plenums.
30. Where conductors are installed in parallel, each conductor counts for
derating.
31. Where paralleled conductors are installed in separate raceways, the same
number shall be installed.
32. Connectors installed where exposed to sunlight shall be sunlight resistant.
33. Conductors installed in raceways exposed to sunlight can experience a
temperature rise.
34. Each current carrying conductor where installed in parallel counts for
derating.
35. Fittings installed in wet locations shall be listed for wet locations.
36. Looped conductors count as 2 conductors where 12 inches of loop are
available.
37. Screws must be provided with sleeves to protect conductors when run through
the interior of a box.
38. MC cable does not need grommets when installed in metal studs.
39. Cables shall be permitted to be installed in raceways in industrial
locations.
40. FMC does not require support in lengths of 6' or shorter.
41. RNMC conduit bodies may contain splices but no other equipment.
42. LTFNMC raceways shall be used only with fittings listed for the purpose.
43. LTFNMC raceways can not always be used with metal fittings.
44. Conductors installed in ENMT raceways can not operate at ampacities greater
than the raceway.
45. Where an auxiliary gutter is used as a pull box, conductors #4 and larger shall be 8X for straight pulls.
46. A partition is required in a box where adjacent switches operate at a
voltage exceeding 300.
47. In industrial establishments flexible cords can run 50 feet in above ground
raceways.
48. No receptacle shall be energized from a male cap.
49. Receptacles in damp locations indoors shall have weatherproof covers.
50. A residential range exhaust fan may be cord and plug connected if accessible
on a 20 amp individual circuit.