THE OKONITE COMPANY
COMPACT STRAND CONSTRUCTION
Product Data
Section 2: Sheet 20
C-L-X®Type MV-105 or MC-HL
5/8kV Okoguard® Shielded Power Cable-Aluminum Sheath
3 Okopact® (Compact Stranded) Copper Conductors/105°C Rating
5kV-133% or 8kV-100% Insulation Level
For Cable Tray Use-Sunlight Resistant-For Direct Burial
UL
A Uncoated (Compact Stranded) Copper Conductors

B Extruded Semiconducting EPR Strand Screen

C Okoguard Insulation (EPR)

D Extruded Semiconducting EPR Insulation Screen

E Phase Identification Tape

F Copper Grounding Conductor, where indicated

G Uncoated Copper Shield

H Fillers and Binder Tape

J Impervious, Continuous, Corrugated Aluminum C-L-X Sheath

K Jacket-Yellow Okoseal



Insulation

Okoguard Is Okonite's registered trade name for its exclusive ethylene-propylene rubber (EPR) base, thermosetting compound, whose optimum balance of electrical and physical properties is unequaled in other solid dielectrics. Okoguard insulation, with the distinctive red color and a totally integrated EPR system, provides the optimum balance of electrical and physical properties for long, problem free service.

Assembly
Type MV-105 conductors are assembled with fillers, one bare stranded grounding conductor and a binder tape into a round core. A continuously corrugated welded aluminum sheath (C-L-X) encases the cable core. The C-L-X sheath is protected with a low temperature yellow Okoseal® jacket. The impervious, continuous, corrugated aluminum C-L-X sheath provides complete protection against moisture, liquids and gases in addition to its excellent mechanical strength. In addition, the aluminum sheath has adequate ampacity capability to be used as a grounding conductor in non HL areas. The Okoseal jacket allows the cable to be direct buried in the ground, embedded in concrete or areas subjected to corrosive atmospheres.

Applications
C-L-X power cables are recommended as an economical alternate to a wire in conduit system. They are designed specifically for use as feeders or branch circuits in industrial and utility power distribution systems. C-L-X power cables may be installed in both exposed and concealed work, wet and dry locations, directly buried in the earth, or embedded in concrete. They may be installed on metal racks, troughs, in cable trays or secured to supports not greater than 6 feet apart.

C-L-X Type MC-HL cables are also approved for Classes I, II, and III, Division 1 and 2 and Class I, Zone 1 and 2  hazardous locations - NEC Articles 501, 502, 503 and 505.

Specifications
Conductor: Uncoated copper compact stranded per ASTM B-496.

Strand Screen: Extruded semiconducting EPR strand screen meets or exceeds electrical and physical requirements of ICEA S-93-639/NEMA WC74 and UL 1072.

Insulation: Okoguard meets or exceeds the electrical and physical requirements of ICEA S-93-639/NEMA WC74 and UL 1072. The insulated conductors are tested in accordance with AEIC CS8.

Insulation Screen: Extruded semiconducting EPR insulation screen per ICEA S-93-639/NEMA WC74, AEIC CS8 and UL 1072.

Shield: 5 mil uncoated copper tape with 12.5% nominal overlap.

Phase Identification: Color coded (black, red, blue) polyester ribbon laid longitudinally under the copper shield.

Grounding Conductor: Uncoated copper in accordance with UL 1072.

Assembly: Cabled with fillers in the interstices, binder tape overall.

Sheath: Close fitting, impervious, continuous, corrugated aluminum C-L-X per UL 1072, and UL listing E-60545; C-L-X is recognized as a grounding conductor by NEC.

Jacket: A low temperature, sunlight resistant, yellow PVC jacket in accordance with UL 1072. Other color jackets are available. UL Listed as type MV-105 or MC-HL, sunlight resistant for use in cable tray, and for direct burial in accordance with UL 1072 & 2225. Conforms to applicable requirements of IEC 502, 540, and 332-3. CSA Listed to C68.3.

Product Features

  • Triple tandem extruded, all EPR system.
  • Complete prepackaged, color coded, factory tested wiring system. 
  • Okoguard C-L-X cables meet or exceed all recognized industry standards (UL, AEIC, NEMA/ICEA, IEEE). 
  • Passes the vertical tray flame test requirements of IEEE 383 and 1202, UL 1072, ICEA T-29-520 (210,000 BTU/hr.) and the 210,000 BTU/hr. corner configuration test. 
  • Complies with NEC Sections 310.7 and 300.50 for direct burial. 
  • Complies with NEC Articles 501, 502, 503 and 505 for hazardous locations. 
  • Continuous sheath provides grounding safety. 
  • Excellent corona resistance. 
  • Screens are clean stripping. 
  • Exceptional resistance to "treeing". 
  • Installation temperature of -40°C. 
  • Improved Temperature Rating. 
  • Three symmetrical grounding conductors for PWM/VFD and other modern AC drive/motor applications.

Okoguard Insulation: 115 mils(2.92mm), 5kV-133% OR 8kV-100% Insulation Level
1-Catalog Number(1)
2-Conductor Size - AWG/kcmil
3-Conductor Size - mm2
4-Approx. Diameter over Insulation - Inches

5-Grounding Conductor Size - AWG/kcmil
6-Approx. Core O.D. - Inches
7-Approx. Core O.D. - mm
8-C-L-X O.D. - Inches
9-Jacket Thickness - mils
10-Jacket Thickness - mm
11-Approx. O.D. - Inches
12-Approx. O.D. - mm
13-Approx. Net Weight lbs./1000'
14-Approx. Ship Weight lbs./1000'
15-Ampacities in Air(2)
16-Ampacities Cable Tray(3)
17-Ampacities Direct Burial(4)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
With Yellow Okoseal Jacket
571-22-3694 8 8.4 0.40 3x12 1.08 27.4 1.34 50 1.27 1.45 36.8 950 1056 66 58 90
571-22-3696 6 13.3 0.44 3x10 1.15 29.2 1.37 50 1.27 1.48 37.6 1116 1259 88 77 115
571-22-3698 4 21.2 0.48 3x10 1.24 31.5 1.51 60 1.52 1.65 41.9 1413 1556 115 100 150
571-22-3706 2 33.6 0.54 3x10 1.37 34.8 1.64 60 1.52 1.78 45.2 1726 1890 154 135 190
571-22-3708 1 42.4 0.57 3x8 1.47 37.3 1.69 60 1.52 1.82 46.2 1973 2137 180 155 215
571-22-3710 1/0 53.5 0.61 3x8 1.56 39.6 1.78 60 1.52 1.91 48.5 2254 3012 205 185 245
571-22-3717 2/0 67.4 0.65 3x8 1.66 42.2 1.92 60 1.52 2.05 52.0 2621 4171 240 210 280
571-22-3725 4/0 107.0 0.75 3x7 1.89 48.0 2.15 60 1.52 2.28 57.9 3645 3980 320 285 360
571-22-3727 250 127.0 0.79 3x7 2.01 51.1 2.23 60 1.52 2.36 59.9 4055 4390 355 315 395
571-22-3838 350 177.0 0.89 3x6 2.24 56.9 2.45 75 1.91 2.60 66.1 5040 5435 440 390 475
571-22-3846 500 253.0 1.01 3x5 2.39 65.0 2.75 75 1.91 2.91 75.2 7132 7603 545 475 570
571-22-3748 750 380.0 1.19 3x4 3.07 78.0 3.32 85 2.16 3.50 88.9 10263 11021 685 585 700
571-22-3751 1000 507.0 1.35 3x4 3.43 87.1 3.76 85 2.16 3.94 100.1 13046 14596 790 660 785
For 8kV ampacities refer to the NEC tables referenced below in the columns listed in 5001-35,000 Volts
Authorized stock item. Available from our Customer Service Centers.

Copper or bronze C-L-X and non-jacketed C-L-X are available on special order.

Length Tolerance: Cut lengths of 1000 feet or longer are subject to a tolerance of ± 10%; less than 1000 feet ±15%.

Jackets:  Optional jacket types available - consult local sales office.

Aluminum Okopact Conductors

(1) Aluminum Okopact conductors are available on special order. To order aluminum Okopact conductors, change the first three digits of the catalog number from 571 to 521.

Ampacities

(2) Ampacities are in accordance with Table 310.71 of the NEC for an insulated three conductor cable, isolated in air, with a conductor operating temperature of 105°C and an ambient air temperature of 40°C.

(3) Ampacities are in accordance with Table 310.75 of the NEC for a three conductor Type MV-105 or MC cable installed in uncovered cable tray in accordance with Section 392.13 of the NEC with a conductor operating temperature of 105°C and ambient air temperature of 40°C. Where the cable tray is covered for more than six feet with solid unventilated covers, the ampacities shall not be more than 95% of the values shown above.

(4) Ampacities are in accordance with Table 310.83 of the NEC for an insulated three conductor cable directly buried in the earth with a conductor operating temperature of 105°C, ambient earth temperature of 20°C, 100% load factor and thermal resistance (RHO) of 90.

Refer to the NEC, IEEE/ICEA S-135 Power Cable Ampacities, or the Okonite Engineering Data Bulletin for installation in duct banks, other ambient temperatures, circuit configurations or installation requirements.

C-L-X®The Okonite Company

C/04050220
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