Art. 1076.01 Wire and Cable SECTION 1075. RESERVED SECTION 1076. WIRE AND CABLE
1076.01 Multi-Conductor Power Cable.
a.General. The cable shall be an assembly of insulated power conductors, plus an insulated ground wire cabled according to UL 854 with fillers and binder tape, and with a jacket overall. The cable shall be rated 194 °F (90 °C) dry and 167 °F (75 °C) wet. All conductors in the assembly may be either coated, (thinned), or uncoated copper, except all conductors of a given cable type for the project shall be of the same type and be according to Article 1066.02.
b.Ground Conductor. The insulated ground conductor shall correspond to the insulated conductor size as indicated in the following table. Insulated Conductor Size, AWG Insulated Ground Conductor Size (AWG) Min. 6 8 4 8 2 thru 2/0 6 3/0 thru 4/0 4
c.Insulation. Each conductor shall be insulated with XLP insulation according to Article 1066.03. Conductor insulation shall be color coded. Neutral conductors shall be color coded white. Three conductor cables (plus ground) for use on single phase systems shall be color coded one black, one red, and one white. Two conductor (plus ground) cables for use on single phase systems shall be color coded one black and one white when used on phase-to-neutral systems, and one black and one red when used on phase-to-phase systems. Three conductor cables for use on three phase systems shall be color coded one black, one red, and one blue. Ground conductors shall be color coded green. Color coding for other cable configurations and systems shall be as directed by the Engineer. Color coding shall be made by means of impregnating the insulation with the color. The coloring process shall impregnate a color which is fade resistant. Color coding via striping, lettering, painting, or other means will not be acceptable for these systems. Each conductor shall be marked by printing in a contrasting color the size, voltage rating, type of insulation, and required UL information.
d.Overall Jacket. The cable assembly shall have chlorinated polyethylene (CPE) jacket applied over the assembly. The jacket shall meet the Wire and Cable Art. 1076.02 requirements of ICEA S-68-616, Part 4 and the sunlight resistant requirements of UL Standard 854. The jacket shall be marked by means of surface ink printing indicating manufacturer, number of conductors, size, voltage rating, and required UL information.
e.Quality Control. The cable shall be manufactured and tested according to ICEA S-75-381, NEMA WC 58 and UL 854. Manufacturer's information submitted for approval shall include product and other data sufficient to verify compliance with all specified requirements. The cable shall be shipped to the site in wood-lagged reels or other equivalent means as approved by the Engineer. Each reel shall be tagged.
1076.02 Fiber Optic Cable. Fiber optic cables shall be as follows.
a.General. The outside plant, all-dielectric, loose-tube fiber optic cable shall be according to the ANSI, Electronics Industries Association (EIA) and Telecommunications Industries Association (TIA) for the multimode cable of the size specified, and the following.
b.Fiber. Each fiber shall be multimode, graded index, and a specified nominal diameter (core/clad). Each fiber attenuation shall not exceed 3.5 dB/km nominal, measured at room temperature at 850 nm and the bandwidth shall be a minimum of 160 MHz/km at 850 nm. The fibers and the buffered tubes containing loose fibers shall be color coded according to the following industry standard color coding scheme. Fiber No./ Tube No. Color Fiber No./ Tube No. Color 1 Blue 7 Red 2 Orange 8 Black 3 Green 9 Yellow 4 Brown 10 Violet 5 Slate 11 Rose 6 White 12 Aqua
c.Cable Construction.
1.Central Member. The central member of the cable shall be a glass reinforced plastic rod designed to prevent buckling of the cable.
2.Fillers. Dielectric fillers may be included in the cable core where needed to lend symmetry to the cable cross-section.
3.Buffer Tube Gel. Each buffer tube shall be filled with a non- hygroscopic, non-nutritive to fungus, electrically non-conductive, homogeneous gel. The gel shall be free from dirt and foreign matter and be readily removable with conventional nontoxic solvents.
4.Cable Core Gel. In addition to the buffer tube gel properties the gel filling the cable core interstices shall be water blocking. Art. 1076.02 Wire and Cable
5.Ripcord. The cable shall contain at least one ripcord under the jacket.
6.Tensile Strength Member. The cable tensile strength shall be provided by high tensile strength aramid yarns.
7.Cable Jacket. The cable shall be sheathed with medium density polyethylene. The polyethylene jacket shall be a consistent thickness having a minimum acceptable average thickness of 0.056 in. (1.4 mm). The polyethylene shall contain carbon black to provide ultraviolet light protection and shall not promote the growth of fungus.
8.Cable Marking. The cable jacket or sheath shall be marked with the manufacturer’s name, the words "Optical Cable", year of manufacture, and with sequential foot (meter) marks.
d.Tensile Load. The cable shall withstand a maximum pulling tension of 600 lb (2700 N) during installation, short term and 135 lb (600 N) upon installation, long term.
e.Temperature Range. The shipping, storing, installing, and operating range of the cable shall be -22 to 158 °F (-30 to 70 °C).
f.Cable Performance Tests. The cable shall be according to the standard Fiber Optic Test Procedure for the following performance measures. Fluid Penetration Compound Drip Compressive Loading Resistance Cyclic Flexing Cyclic Impact Tensile Loading and Bending
g.Quality Assurance.
1.Proof Tested. Each optical fiber shall be proof tested by the fiber manufacturer at a minimum stress of 50 kips/sq in. (350,000 kPa).
2.Attenuation Tested. Each optical fiber shall be 100 percent attenuation tested by the cable manufacturer and the attenuation of each fiber shall be provided with each cable reel.
h.Packaging.
1.Cable Ends. The top and bottom ends of the cable shall be available for testing. The cable ends shall be sealed to prevent moisture ingress.
2.Cable Label. Each cable reel shall have a durable weatherproof label which shows the actual length of the cable on the reel and the attenuation of each fiber expressed in dB/km. Wire and Cable Art. 1076.04
1076.03 Span Wire and Tether Wire. Span and tether wire shall be as
follows.
a.Wire. The span wire shall be 3/8 in. (9 mm) nominal diameter, seven strand, zinc-coated steel wire according to ASTM A 475, Utilities Grade or better. The tether wire shall be 1/4 in. (6 mm) nominal diameter, seven strand, zinc- coated steel wire according to ASTM A 475, High Strength Grade or better.
b.Accessories. All accessories, except cable hangers, shall be made of galvanized steel or noncorrosive material. Cable hangers shall be made of exterior black nylon or steel. The tensile strength of all accessories, except cable hangers, shall be equal to or greater than the tensile strength of the wire with which they are used. Thimble-eye bolts shall be 5/8 in. (15 mm) in nominal diameter and be according to ASTM A 307.
1076.04 Electric Cable – Signal, Lead-in, Communication, Service, and
Equipment Grounding Conductor.
a.Signal Cable. The signal cable shall transmit 120 VAC to signal heads, pedestrian heads and internally illuminated signs, or transmit 24 VDC to pedestrian push-buttons. The signal cable shall be according to IMSA No. 19-1 or IMSA No. 20-1. The tracer color lines shall be extruded with the insulation extrusion. The conductors shall be copper, solid or stranded, and No. 12 or 14 AWG.
b.Lead-in Cable Single-Pair. The lead-in cable single-pair shall transmit and receive the vehicle detection signal between the loop detector unit and the detector loop. The lead-in cable single-pair shall be according to IMSA No. 50-2. The conductors shall be stranded tinned copper, and No. 14, 16 or 18 AWG.
c.Communication Cable and Lead-in Cable Multipair.
1.Conductors. The fully annealed tinned copper shall be according to ASTM B 33. The stranded conductors shall be according to ASTM B 8 for concentric stranding or ASTM B 174 for bunch stranding. The conductors shall be No. 16 or 18 AWG, 3, 6, 9 or 12 pair.
2.Insulation. The polyethylene insulation shall be according to ASTM D 1248, Type 1, Grade 4, Class A or B. The minimum insulation thickness at any point shall not be less than 90 percent of average insulation thickness of 20 mil (0.51 mm). Conductor Insulation Color Code. All pairs shall have one conductor with black color insulation and one conductor with insulation of another unique non-black color.
3.Shielding. The conductors shall be in twisted pairs and each pair shall be individually shielded. The shielding shall be aluminized mylar or polyester. One stranded tinned copper drain wire shall be provided. Art. 1076.04 Post and Foundation The shielding shall be 100 percent effective by providing a metal-to- metal contact between adjacent wraps. The capacitance measured between conductors shall be 30 (100) picofarads or less per foot (meter). The capacitance measured between one conductor and another conductor connected to the shield shall be 55 (180) picofarads or less per foot (meter).
4.Jacket. The jacket shall be polyvinyl chloride according to IMSA No. 39-2, or polyethylene according to IMSA No. 40-6.
5.Identification. Each shipping length of cable shall show the name of the manufacturer, the year of manufacture, the voltage rating, the UL listing mark, and the conductor size in AWG. This information shall be applied every 2 ft (0.61 m) or less to the outer surface of the jacket by indent printing. The electric cables furnished shall not be dated more than five years prior to the time of installation.
6.Sampling, inspection and acceptance. The cable shall be according to IMSA No. 39-2, or IMSA No. 40-6.
1077.01 Traffic Signal Post. The traffic signal post shall be designed to
support the traffic signal loading shown on the plans. The design and fabrication shall be according to the AASHTO LRFD Specifications for Structural Supports for Highway Signs, Luminaires, and Traffic Signals.
a.Post. The post shall be made of steel or aluminum and have an outside diameter of 4 1/2 in. (115 mm). The post shall be threaded for assembly to the base. Aluminum posts shall be according to the specifications for Schedule 80 aluminum pipe. Steel posts shall be according to the specifications for Schedule 40 steel pipe.
b.Base. The base of a steel post shall be cast iron. The base of an aluminum post shall be aluminum. The base shall be threaded for the attachment to the threaded post. The base shall be approximately 15 in. (375 mm) high and 13 1/2 in. (335 mm) square at the bottom. The bottom of the base shall be designed to accept four 5/8 in. (16 mm) diameter anchor rods evenly spaced in a 12 1/2 to 13 in. (320 to 330 mm) diameter circle. The base shall be true to pattern, with sharp clean cutting ornamentation, and equipped with access doors for cable handling. The door shall be fastened to the base with stainless steel screws. A grounding lug shall be provided inside the base.
Referenced in this section
Get an email when 1076 changes
Illinois revises spec sections through supplementals and new editions. We check this one every week and email you the day it changes. Free, no account.
Source: Illinois Standard Specifications for Road and Bridge Construction, 2022 Edition. Pages 1037–1041 of 1,217. View official source ↗