(PEC-Chapter3) Sheet2-Part2

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Author:
Camskie
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305165
Filename:
(PEC-Chapter3) Sheet2-Part2
Updated:
2015-08-03 08:52:27
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camille
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Description:
PEC Chapter3
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  1. Bends in
    Type TC cable shall be made so as not to damage the cable. For Type TC cable
    without metal shielding, the minimum
    bending radius shall be as follows:

    (1) __ times the overall diameter for
    cables 25 mm or less in diameter

    (2) __ times the overall diameter for cables
    larger than 25 mm (1 in.) but not more than 50 mm in diameter

    (3) __ times the
    overall diameter for cables larger than 50 mm in diameter
    • Four
    • Five
    • Six
  2. Type TC cables with
    metallic shielding shall have a minimum
    bending radius of not less than __ times the cable overall diameter
    12
  3. The
    insulated conductors of Type TC tray cable shall be in sizes __mm2  through __ mm2 copper and sizes ___mm2 through __ mm2
    aluminum or copper-clad aluminum. Insulated conductors of sizes 2.0 mm2 (1.6 mm
    dia.) and larger copper and sizes 3.5 mm2 (2.0 mm dia.) and larger aluminum or
    copper-clad aluminum shall be one of the types listed in Table 3.10.1.13 or
    Table 3.10.1.62 that is suitable for branch circuit and feeder circuits or one
    that is identified for such use
    • 0.75
    • 500
    • 3.5 mm2 (2.0 mm dia.)
    • 500
  4. _____ is a single
    conductor or multiconductor assembly provided with or without an overall
    covering, primarily used for services,
    and of the following types:

    (Type ____)
    --Service-entrance cable having a flame-retardant, moisture-resistant
    covering.
    (Type ____) -- Service-entrance
    cable, identified for underground use, having a moisture-resistant covering,
    but not required to have a flame-retardant covering
    • Service-Entrance Cable
    • SE
    • USE
  5. ___is a factory
    assembly of one or more insulated conductors with an integral or an overall
    covering of nonmetallic material suitable for direct burial in the earth
    Underground Feeder and Branch-Circuit Cable, Type UF
  6. Bends in Type UF
    cable shall be so made that the cable is not damaged. The radius of the curve
    of the inner edge of any bend shall not be less than __ times the diameter of
    the cable
    five
  7. (UF Cable)

    The conductors shall
    be sizes __mm2 copper or __mm2 aluminum or
    copperclad aluminum through ___mm2
    • 2.0 mm2 (1.6 mm dia.)
    • 3.5 mm2 (2.0 mm dia.)
    • 100
  8. ____is a steel
    threadable raceway of circular cross section designed for the physical
    protection and routing of conductors and cables and for use as an equipment
    grounding conductor when installed with its integral or associated coupling and
    appropriate fittings
    Intermediate Metal Conduit (IMC)
  9. IMC shall be
    permitted to be installed in or under cinder fill where subject to permanent
    moisture where protected on all sides by a layer of noncinder concrete not less
    than __ mm thick; where the conduit is not less than __ mm under the fill; or
    where protected by corrosion protection and judged suitable for the condition
    • 50
    • 450
  10. (Size)

    IMC smaller
    than raceway size __mm shall not be used and IMC larger than raceway size __mm
    shall not be used
    • 15
    • 100
  11. All
    cut ends shall be reamed or otherwise finished to remove rough edges. Where
    conduit is threaded in the field, a standard cutting die with a taper of 1 in 16 shall be used. Each IMC shall be securely fastened within __ mm of each outlet box,
    junction box, device box, cabinet, conduit body, or other conduit termination.
    900
  12. Fastening shall be
    permitted to be increased to a distance of __ mm where structural members do
    not readily permit fastening within __ mm
    • 1 500
    • 900
  13. Where approved,
    conduit shall not be required to be securely fastened within __ mm of the
    service head for above-the-roof termination of a mast
    900
  14. IMC shall be
    supported at intervals not exceeding ___ mm
    3 000
  15. xposed vertical
    risers from industrial machinery or fixed equipment shall be permitted to be
    supported at intervals not exceeding ___ mm if the conduit is made up with
    threaded couplings, the conduit is supported and securely fastened at the top
    and bottom of the riser, and no other means of intermediate support is readily
    available
    6 000
  16. Horizontal runs of
    IMC supported by openings through framing members at intervals not exceeding __ mm and securely fastened within __ mm of termination points shall be
    permitted
    • 3000
    • 900
  17. Each length shall be
    clearly and durably marked at least every __ mm with the letters IMC.
    1 500
  18. The standard length of IMC shall be ___ mm, including an attached coupling, andeach end shall be threaded.
    3 000
  19. A threadable raceway
    of circular cross section designed for the physical protection and routing of
    conductors and cables and for use as an equipment grounding conductor when
    installed with its integral or associated coupling and appropriate fittings
    Rigid Metal Conduit (RMC)
  20. RMC shall be
    permitted to be installed in or under cinder fill where subject to permanent
    moisture where protected on all sides by a layer of noncinder concrete not less
    than __ mm thick; where the conduit is not less than  ___mm under the fill; or
    where protected by corrosion protection and judged suitable for the condition
    • 50
    • 450
  21. RMC smaller than
    raceway size ___mm shall not be used and 
    RMC larger than raceway size ___mm shall not be used
    • 15
    • 150
  22. RMC shall be securely
    fastened within ___ mm of each outlet box, junction box, device box, cabinet,
    conduit body, or other conduit termination
    900
  23. Fastening shall be
    permitted to be increased to a distance of ____ mm where structural members do
    not readily permit fastening within ___ mm. Where approved,
    conduit shall not be required to be securely fastened within ___ mm of the
    service head for above-the-roof termination of a mast
    • 1 500
    • 900
    • 900
  24. RMC shall be
    supported in accordance with one of the following:

    (1) Conduit shall be
    supported at intervals not exceeding ___ mm.
    (2) The distance between
    supports for straight runs of conduit shall be permitted in accordance with
    Table 3.44.2.21(b)(2), provided
    3 000
  25. Exposed vertical
    risers from industrial machinery or fixed equipment shall be permitted to be
    supported at intervals not exceeding ___ mm if the conduit is made up with
    threaded couplings, the conduit is supported and securely fastened at the top
    and bottom of the riser, and no other means of intermediate support is readily
    available
    6 000
  26. Each length shall be
    clearly and durably identified in every ___ mm as required in the first
    sentence of 1.10.1.21. The standard length of RMC shall be ___ mm, including
    an attached coupling, and each end shall be threaded
    • 3 000
    • 3 000
  27. ____ is a raceway of
    circular cross section made of helically wound, formed, interlocked metal strip
    Flexible Metal Conduit  (FMC)
  28. FMC shall be securely
    fastened in place by an approved means within ___ mm of each box, cabinet,
    conduit body, or other conduit termination and shall be supported and secured
    at intervals not to exceed ___ mm
    • 300
    • 1 400
  29. Exception No. 2: At terminals where
    flexibility is required, lengths shall not exceed the following:

    (1) ___ mm
    for  raceway size 15-32 mm

    (2) ___ mm
    for raceway size 40-50mm

    (3) ___ mm for raceway size 65 & larger
    • 900
    • 1 200
    • 1 500
  30. FMC

    Exception No. 3: Lengths not
    exceeding ___ mm from a luminaire (fixture) terminal connection for tap
    connections to luminaires (light fixtures) as permitted in 4.10.11.4(c)
    1 800
  31. FMC

    Exception No. 4: Lengths not exceeding
    ___ mm from the last point where the raceway is securely fastened for
    connections within an accessible ceiling to luminaire(s) [lighting fixture(s)]
    or other equipment
    1 800
  32. ___is a raceway of
    circular cross section having an outer liquidtight, nonmetallic,
    sunlight-resistant jacket over an inner flexible metal core with associated
    couplings, connectors, and fittings for the installation of electric conductors
    Liquidtight Flexible Metal Conduit
  33. LFMC smaller than __
    mm electrical raceway size shall not be used.The maximum size of LFMC shall be
    __ mm electrical raceway size
    • 15
    • 100
  34. LFMC shall be
    securely fastened in place by an approved means within ___ mm of each box,
    cabinet, conduit body, or other conduit termination and shall be supported and
    secured at intervals not to exceed 1 400 mm
    300
  35. Horizontal runs of
    LFMC supported by openings through framing members at intervals not greater
    than ___ mm and securely fastened within ___ mm of termination points shall
    be permitted
    • 1 400
    • 300
  36. _____ is a
    nonmetallic raceway of circular cross section, with integral or associated
    couplings, connectors, and fittings for the installation of electrical conductors and cables
    Rigi Nonmetallic Conduit  (RNC)
  37. RNC shall not be used
    where subject to ambient temperatures in excess of __°C (___°F) unless listed
    otherwise.
    50°C (122°F)
  38. RNC smaller than raceway size ___mm shall not be used and RNC larger than raceway size ___mm shall not beused
    • 15
    • 150
  39. RNC shall be securely
    fastened within ____ mm of each outlet box, junction box, device box, conduit
    body, or other conduit termination. Conduit listed for securing at other than
    900 mm shall be permitted to be installed in accordance with the listing
    900
  40. RNC shall be
    supported as required in Table 3.52.2.21(b). Conduit listed for support at
    spacings other than as shown in Table 3.52.2.21(b) shall be permitted to be
    installed in accordance with the listing. What is the maximum support intervals
    of RNC raceway size __mm
    20
  41. Expansion fittings
    for RNC shall be  provided to compensate
    for thermal expansion and contraction where the length change, in accordance
    with Table 3.52.2.35(a) or Table 3.52.2.35(b), is expected to be ___mm or greater
    in a straight run between securely mounted items such as boxes, cabinets,
    elbows, or other conduit terminations
    6
  42. Each length of RNC
    shall be clearly and durably marked at least every ____ mm as required in the
    first sentence of 1.10.1.21
    3 000
  43. ______ is a
    non-metallic raceway of circular cross section, with associated couplings,
    connectors, and fittings for the installation of electrical conductors
    High Density Polyethylene  (HDPE)
  44. HDPE conduit shall
    not be used under the following conditions: (1) Where exposed (2) Within a
    building (3) In hazardous (classified) locations, except as permitted in
    5.4.1.20&where subject to ambient temperatures in excess of ___°C  unless listed otherwise
    50
  45. HDPE conduit smaller
    than raceway size ___mm shall not be used.HDPE conduit larger than raceway size
    ___mm shall not be used
    • 15
    • 100
  46. Each length of HDPE
    shall be clearly and durably marked at least every ___ mm as required in
    1.10.1.21
    3 000
  47. ____ is a factory
    assembly of conductors or cables inside a nonmetallic, smooth wall conduit with
    a circular cross section
    Nonmetallic Underground Conduit with Condutors
  48. NUCC shall not be
    used in the following:

    (1) In ____ locations
    (2) ___ buildings
    (3) In hazardous (classified) locations
    • exposed
    • Inside
  49. NUCC smaller than
    raceway size ___mm shall not be used &NUCC larger than raceway size ___mm
    shall not be used.
    • 15
    • 100
  50. NUCC shall be clearly and durably marked at least every ___ mm as required by 1.10.1.21
    3000
  51. LFNC is a raceway of
    circular cross section of various types as follows:

    (1) A smooth seamless inner
    core and cover bonded together and having one or more reinforcement layers
    between the core and covers, designated as Type LFNC-__

    (2) A smooth inner
    surface with integral reinforcement within the conduit wall, designated as Type
    LFNC-__

    (3) A corrugated internal and external surface without integral
    reinforcement within the conduit wall, designated as LFNC-__
    • A
    • B
    • C
  52. LFNC shall not be
    used inlengths longer than ___ mm,
    except as permitted by 3.56.2.1(5) or where a longer length is approved as
    essential for a required degree of flexibility
    1 800
  53. LFNC smaller than
    raceway size ___mm shall not be used unless permitted in 3.56.2.11(a)(1) through
    (a)(3) for r. size 10mm.
    15
  54. LFNC larger than raceway size ___mm  shall not be used.
    100

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