(PEC-Chapter3) Sheet2-Part3

Type LFNC-B shall be
securely fastened and supported in accordance with one of the following:

(1)
Where installed in lengths exceeding __ mm, the conduit shall be securely
fastened at intervals not exceeding __ mm and within __ mm on each side of every
outlet box, junction box, cabinet, or fitting.

(2) Securing or supporting of
the conduit shall not be required where it is fished, installed in lengths not
exceeding __ mm at terminals where flexibility is required, or installed in
lengths not exceeding __ mm from a luminaire (fixture) terminal connection
for tap conductors to luminaires (lighting fixtures) permitted in 4.10.11.4(c)

LFNC shall be marked
at least every __ mm in accordance with 1.10.1.21

______is an unthreaded thin wall 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
utilizing appropriate fittings

EMT smaller than
raceway size __mm shall not be used. The maximum size of EMT shall be raceway
size __mm

EMT shall not be ___

EMT shall be securely
fastened in place at least every __ mm. In addition, each EMT run between
termination points shall be securely fastened within __ mm of each outlet box,
junction box, device box, cabinet, conduit body, or other tubing termination

Exception No. 1: Fastening of unbroken lengths shall be
permitted to be increased to a distance of __ mm where structural members do
not readily permit fastening within __ mm

EMT shall be clearly
and durably marked at least every __ mm as required in the first sentence of
1.10.1.21

___ is a raceway that
is circular in cross section, flexible, metallic, and liquidtight without a
non-metallic jacket

FMT shall not be used  in lengths over __ mm

FMT smaller than
raceway size __mm shall not be used. The maximum size of FMT shall be raceway
size __mm

______is a nonmetallic
pliable corrugated raceway of circular cross section with integral or
associated couplings, connectors, and fittings for the installation of electric
conductors

For the purpose of
this article, the first floor of a building shall be that floor that has __
percent or more of the exterior wall surface area level with or above finished
grade

The use of ENT and
fittings shall be permitted in the following: (1) In any building not exceeding
three floors above grade as follows: a. For exposed work, where not prohibited
by 3.62.2.3 b. Concealed within walls, floors, and ceilings (2) In any building
exceeding three floors above grade, ENT shall be concealed within walls,
floors, and ceilings where the walls, floors, and ceilings provide a thermal
barrier of material that has at least a __- minute finish rating as identified
in listings of fire-rated assemblies

ENT shall not be
usedWhere subject to ambient temperatures in excess of __°C  unless listed otherwise

ENT smaller than raceway size __mm shall not be used. The maximum size of ENT shall be raceway size __mm

ENT shall be securely
fastened at intervals not exceeding __ mm. In addition, ENT shall be securely
fastened in place within __ mm of each outlet box, device box, junction box,
cabinet, or fitting where it terminates

ENT shall be clearly
and durably marked at least every __ mm as required in the first sentence of
1.10.1.21

_____ Sheet metal
enclosures with hinged or removable covers for housing and protecting electric
wires, cable, and busbars in which conductors are laid in place after the
wireway has been installed as a complete system

_____ Flame
retardant, non-metallic enclosures with removable covers for housing and
protecting electric wires, cable, and busbars in which conductors are laid in
place after the wireway has been installed as a complete system

Auxiliary gutters shall
not be used under the following conditions: (1) To enclose switches,
overcurrent devices, appliances, or other similar equipment.  (2) To extend a greater distance than __
mm beyond the equipment that it supplements

The sum of the
cross-sectional areas of all contained conductors at any cross section of a
sheet metal auxiliary gutter shall not exceed __ percent of the interior cross sectional
area of the sheet metal auxiliary gutter. The derating factors in
3.10.1.15(b)(2)(a) shall be applied only where the number of current-carrying
conductors, including neutral conductors classified as current-carrying under
the provisions of 3.10.1.15(b)(4), exceeds 30

The sum of
cross-sectional areas of all contained conductors at any cross section of the
nonmetallic auxiliary gutter shall not exceed __ percent of the interior
cross-sectional area of the nonmetallic auxiliary gutter

The current carried
continuously in bare copper bars in sheet metal auxiliary gutters shall not
exceed __ amperes/mm² of cross section of the conductor. For aluminum bars,
the current carried continuously shall not exceed __ amperes/mm² of cross
section of the conductor

Sheet metal auxiliary
gutters shall be supported throughout their entire length at intervals not
exceeding __ mm

Nonmetallic auxiliary
gutters shall be supported at intervals not to exceed __ mm and at each end or
joint, unless listed for other support intervals. In no case shall the distance
between supports exceed __ mm

Expansion fittings
shall be installed where expected length change, due to expansion and
contraction due to temperature change, is more than __ mm

Splices or taps shall
be permitted within gutters where they are accessible by means of removable
covers or doors. The conductors, including splices and taps, shall not fill the
gutter to more than __ percent of its area

Gutters shall be of
substantial construction and shall provide a complete enclosure for the
contained conductors. All surfaces, both interior and exterior, shall be
suitably protected from corrosion. Corner joints shall be made tight, and where
the assembly is held together by rivets, bolts, or screws, such fasteners shall
be spaced not more than __ mm apart

(Auxiliary Gutters)
Bare conductors shall be securely and rigidly supported so that the minimum
clearance between bare current-carrying metal parts of different potential
mounted on the same surface will not be less than __ mm, nor less than __ mm
for parts that are held free in the air. A clearance not less than __ mm shall
be secured between bare current-carrying metal parts and any metal surface

_____ is a grounded
metal enclosure containing factory-mounted, bare or insulated conductors, which
are usually copper or aluminum bars, rods, or tubes

Busways shall be
permitted to be extended vertically through dry floors if totally enclosed
(unventilated) where passing through and for a minimum distance of __ mm
above the floor to provide adequate protection from physical damage

In other than
industrial establishments, where a vertical riser penetrates two or more dry
floors, a minimum __ mm high curb shall be installed around all floor openings
for riser busways to prevent liquids from entering the opening. The curb shall
be installed within __ mm of the floor opening

Busways shall not be
installed in hoistways , hazardous (classified) location, wet or damp locations
unless identified for such use. Lighting busway and trolley busway shall not be
installed less than __ mm above the floor or working platform unless
provided with a cover identified for the purpose

Busways shall be
securely supported at intervals not exceeding __ mm unless otherwise
designed and marked

____ is an assembly
of insulated conductors with fittings and conductor terminations in a
completely enclosed, ventilated protective metal housing

The current-carrying
conductors in cablebus shall have an insulation rating of __°C (__°F) or higher
and be an approved type suitable for the application

The size and number
of conductors shall be that for which the cablebus is designed, and in no case
smaller than __ mm²

The individual
conductors in a cablebus shall be supported at intervals not greater than __
mm for horizontal runs and __ mm for vertical runs. Vertical and horizontal
spacing between supported conductors shall not be less than one conductor
diameter at the points of support

Cablebus shall be
securely supported at intervals not exceeding __ mm

Except where
firestops are required, cablebus shall be permitted to extend vertically
through floors and platforms in wet locations where (1) there are curbs or
other suitable means to prevent waterflow through the floor or platform opening,
and (2) where the cablebus is totally enclosed at the point where it passes
through the floor or platform and for a distance of __ mm above the floor or
platform

____ is a single,
enclosed tubular space in a floor made of precast cellular concrete slabs, the
direction of the cell being parallel to the direction of the floor member

____transverse metal
raceways for electric conductors, providing access to predetermined cells of a
precast cellular concrete floor, thereby permitting the installation of
electric conductors from a distribution center to the floor cells

(Cellular Concrete Floor Raceways)

No conductor larger than __ mm² shall be installed, except by special permission.
The combined cross sectional area of all conductors or cables shall not exceed
__ percent of the cross-sectional area of the cell or header

_____ are the hollow
spaces of cellular metal floors, together with suitable fittings, that may be approved
as enclosures for electric conductors

(CMFR)

No conductor
larger than __ mm² shall be installed, except by special permission. The
combined cross-sectional area of all conductors or cables shall not exceed __
percent of the interior cross-sectional area of the cell or header. Junction
boxes shall be leveled to the floor grade and sealed against the free entrance
of water or concrete

_____ are sheet metal
troughs with hinged or removable covers for housing and protecting electric
wires and cable and in which conductors are laid in place after the wireway has
been installed as a complete system