SECTION 16130
OUTLET, PULL AND JUNCTION BOXES
PART 1 - GENERAL
1.01
DESCRIPTION
A.
General: Provide outlet, pull and junction boxes, complete, as shown and
specified per Contract Documents.
B.
Other Applicable Sections: Requirements of Division 1 and Section 16050
apply to work of this Section.
C.
Related Work Not In This Section: Cabinets.
PART 2 - PRODUCTS
2.01
MATERIALS
A.
Outlets Boxes, Extensions and Covers: One-piece pressed steel, hot-dip
galvanized, knock-out type, 4" trade size by 1-1/2" deep or larger,
whenever noted or required.
B.
Cast Metal Boxes: Threaded-hub type with gasketed covers similar and
equal to Crouse-Hinds Type "FD" or "FS", or equivalent.
C.
Pull and Junction Boxes: Provide as shown or as necessary to facilitate
the pulling of wire. Boxes less than 100 cu.in. in volume shall comply
with the requirements given for outlet boxes. Boxes 100 cu.in. in volume
and larger shall be constructed in accordance with the requirements given
for cabinets, except that covers shall be of the same thickness as the boxes
and shall be secured by bolts. Boxes having one dimension greater than
24" shall be fitted with interior braces and reinforcements. Boxes required
to be weatherproof, shall be cast iron with threaded hubs and bolted and
gasketed covers similar and equal to 0-Z/Gedney Type "YS".
D.
Gaskets: Gaskets for weatherproofing junction boxes, pull boxes and
fittings shall be of an approved type. Improvised gaskets made from
rubber tape or other material will not be accepted.
E.
Concrete Pull Boxes: Parkway or traffic type as indicated, of the sizes
shown, pre-cast in sections, with cast iron cover marked, "Electric" or
"Telephone", Brooks or Associated (Quickset).
PART 3 - EXECUTION
3.01
INSTALLATION
A.
General: Installations shall be secure and substantial.
B.
Bolts and Fastening:
C.
D.
1.
Fastening shall be by means of 3/16" minimum diameter bolts,
expansion bolts or toggle bolts.
2.
Fastenings exposed to weather or moisture shall be galvanized.
3.
Not less than two fastenings shall be used to secure each box.
4.
Nails, or wooden or fiber inserts in masonry shall not be used.
Expansion Shield Fasteners:
1.
Size: On masonry or concrete walls, columns or flooring,
fastenings shall be made by means of lead expansion shields not
smaller than shield size 3/8" diameter by 5/8" long for use with No.
10-24 round head machine screws. Machine screws shall not be
less than 1-1/4" long for installation on ceiling and not less than 1"
long elsewhere.
2.
Type: Lead expansion shields shall be Tampins Union Catalog
Stock No. 2M5275 or an equivalent as manufactured by Star or
Phillips.
3.
Holes for lead expansion shields shall be carefully and accurately
drilled, using sharp drills, to a depth which will afford the
maximum practical engagement of threads (depth not less than 11/4" into solid concrete) and installation shall develop full strength
of screws.
Stud Partitions: In metal stud construction, boxes shall be securely
attached to structural members with approved bar hangers connecting to
two studs.
E.
Recessed Installations: Outlet boxes shall be installed in walls so that
front edge of box or cover is within 1/4" of surface of incombustible
materials; and front shall be flush with surface of wood or other
combustible materials. Where cuts or penetration of fire rated walls or
other surfaces are made, provisions shall be made to maintain fire ratings.
F.
Access and Adjacent Locations: All boxes installed shall be accessible at
the time of completion. Where outlets are shown at same location, they
shall be installed at same height, in line and closely adjacent, unless
otherwise noted.
G.
Lighting Fixture Outlets: Every light outlet shall be provided with a
fixture stud. Boxes shall be secured (fastenings described above) using
two diametrically opposite holes of widest spacing, or as otherwise
required for supporting medium. Ceiling boxes shall be securely and
directly supported by metal runner channels, minimum 1-1/2". Boxes with
fixture studs shall be tested for supporting strength and shall develop a
holding strength of 200 lb. without movement of box. Installation shall be
secure and substantial.
**END OF SECTION**