SECTION 16120 - CONDUCTORS AND CABLES
PART 1 - GENERAL
1.1
RELATED DOCUMENTS
A.
1.2
Drawings and general provisions of the Contract, including General and Supplementary
Conditions and Division 1 Specification Sections, apply to this Section.
SUMMARY
A.
1.3
This Section includes building wires and cables and associated connectors, splices, and
terminations for wiring systems rated 600 V and less.
SUBMITTALS
A.
1.4
Field Test Reports:
requirements.
Indicate and interpret test results for compliance with performance
QUALITY ASSURANCE
A.
Listing and Labeling: Provide wires and cables specified in this Section that are listed and
labeled.
1.
2.
B.
1.5
The Terms Listed and Labeled as defined in NFPA 70, Article 100.
Listing and Labeling Agency Qualifications: A Nationally Recognized Testing
Laboratory as defined in OSHA Regulation 1910.7.
Comply with NFPA 70.
DELIVERY, STORAGE AND HANDLING
A.
1.6
Deliver wires and cables according to NEMA WC 26.
COORDINATION
A.
Coordinate layout and installation of cables with other installations.
B.
Revise locations and elevations from those indicated, as required to suit field conditions and as
approved by Engineer.
PART 2 - PRODUCTS
2.1
MANUFACTURERS
A.
In other Part 2 articles where subparagraph titles below introduce lists, the following
requirements apply for product selection:
CONDUCTORS AND CABLES
16120-1
1.
2.2
Available Manufacturers: Subject to compliance with requirements, manufacturers
offering products that may be incorporated into the Work include, but are not limited to,
the manufacturers specified.
CONDUCTORS AND CABLES
A.
Manufacturers:
1.
2.
3.
American Insulated Wire Corp.; a Leviton Company.
General Cable Corporation.
Rome Cable Company.
B.
Refer to Part 3 "Conductor and Insulation Applications" Article for insulation type, cable
construction, and ratings.
C.
Conductor Material: Copper complying with NEMA WC 5 or 7; solid conductor for No. 10
AWG and smaller, stranded for No. 8 AWG and larger.
D.
Conductor Insulation Types: Type THW, THHN-THWN, XHHW and SO complying with
NEMA WC 5 or 7.
E.
Multiconductor Cable: Armored cable Type AC, Metal-clad cable Type MC, and Type SO with
ground wire. Armor shall be steel interlocked covering.
2.3
CONNECTORS AND SPLICES
A.
Manufacturers:
1.
2.
3.
4.
5.
B.
2.4
AFC Cable Systems, Inc.
AMP Incorporated/Tyco International.
Hubbell/Anderson.
O-Z/Gedney; EGS Electrical Group LLC.
3M Company; Electrical Products Division.
Description: Factory-fabricated connectors and splices of size, ampacity rating, material, type,
and class for application and service indicated.
HEAT TRACE CABLES
A.
Manufacturers:
1.
2.
B.
Chromalox (Basis of Design)
Tyco Thermal Control
Description: Manufactured, self regulating, polymer core cable designed for freeze protection
on metallic and plastic piping systems.
CONDUCTORS AND CABLES
16120-2
C.
Basis of Design: Chromalox type SRF, 16 gauge, rated at minimum 8 watts per foot, maximum
exposure temp. 185°F (85°C), standard braid with optional overjacket. Match voltage of cable
to the available source provided where planned to be installed.
D.
Provide required termination, splice, tee and end seal kits as recommended by the manufacturer.
E.
Provide GFIC circuit protection as required per the most recent edition of the National Electric
Code.
PART 3 - EXECUTION
3.1
CONDUCTOR AND INSULATION APPLICATIONS
A.
Service Entrance: Type THHN-THWN, single conductors in raceway, XHHW, single
conductors in raceway.
B.
Exposed Feeders: Type THHN-THWN, single conductors in raceway.
C.
Feeders Concealed in Ceilings, Walls, and Partitions: Type THHN-THWN, single conductors
in raceway.
D.
Feeders Concealed in Concrete, below Slabs-on-Grade, and in Crawlspaces: Type THHNTHWN, single conductors in raceway.
E.
Exposed Branch Circuits, including in Crawlspaces: Type THHN-THWN, single conductors in
raceway.
F.
Branch Circuits Concealed in Ceilings, Walls, and Partitions: Type THHN-THWN, single
conductors in raceway, Armored cable Type AC, Metal-clad cable Type MC.
G.
Branch Circuits Concealed in Concrete and below Slabs-on-Grade:
single conductors in raceway.
H.
Branch circuit homeruns exposed: Type THHN-THWN, single conductors in EMT or RMC.
I.
Cord Drops and Portable Appliance Connections: Type SO, hard service cord.
J.
Fire Alarm Circuits: Type THHN-THWN, in raceway or Power-limited, fire-protective,
signaling circuit cable in steel armor spiral cover, colored red.
K.
Class 1 Control Circuits: Type THHN-THWN, in raceway.
L.
Class 2 Control Circuits: Power-limited cable, concealed in building finishes.
3.2
Type THHN-THWN,
INSTALLATION
A.
Conceal cables in finished walls, ceilings, and floors, unless otherwise indicated.
CONDUCTORS AND CABLES
16120-3
B.
Use manufacturer-approved pulling compound or lubricant where necessary; compound used
must not deteriorate conductor or insulation. Do not exceed manufacturer's recommended
maximum pulling tensions and sidewall pressure values.
C.
Use pulling means; including fish tape, cable, rope, and basket-weave wire/cable grips, which
will not damage cables or raceway.
D.
Install exposed cables parallel and perpendicular to surfaces of exposed structural members, and
follow surface contours where possible.
E.
Support cables according to Division 16 Section "Basic Electrical Materials and Methods."
F.
Provide an additional one thousand linear feet of cable/conductor and accessories of each type
and size used on the project to accommodate any changes required to resolve interferences or
directed by the Engineer.
G.
Seal around cables penetrating fire-rated elements according to Division 7 Section "ThroughPenetration Firestop Systems."
H.
Identify and color-code conductors and cables according to Division 16 Section "Electrical
Identification."
3.3
CONNECTIONS
A.
Tighten electrical connectors and terminals according to manufacturer's published torquetightening values. If manufacturer's torque values are not indicated, use those specified in
UL 486A and UL 486B.
B.
Make splices and taps that are compatible with conductor material and that possess equivalent
or better mechanical strength and insulation ratings than un-spliced conductors.
1.
C.
3.4
Use oxide inhibitor in each splice and tap conductor for aluminum conductors.
Wiring at Outlets: Install conductor at each outlet, with at least 12 inches (300 mm) of slack.
FIELD QUALITY CONTROL
A.
Testing: Perform the following field quality-control testing:
1.
2.
B.
After installing conductors and cables and before electrical circuitry has been energized,
test for compliance with requirements.
Perform each electrical test and visual and mechanical inspection stated in NETA ATS,
Section 7.3.1. Certify compliance with test parameters.
Test Reports: Prepare a written report to record the following:
1.
2.
3.
Test procedures used.
Test results that comply with requirements.
Test results that do not comply with requirements and corrective action taken to achieve
compliance with requirements.
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END OF SECTION 16120
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