TELCOFLEX® III

Central Office Power Wire and Cable
Class B Stranded With Braid
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telco flex b image

DESCRIPTION

Low Smoke, Non-Halogenated Insulation, Lead-Free and Silicone-Free, UL Central Office Power Cable with Cotton Braid. 105°C Dry as AWM, 60°C Wet; UL Listed RHH/ST1 90°C Dry and VW-1, 600 Volts DC or AC. Sizes 1/0 AWG and larger are UL Listed for CT USE. CSA AWM I B 105°C 600 Volt FT4.

SCOPE

This specification covers the construction requirements for low smoke, non-halogenated central office power wire and cable, insulated with Southwire TelcoHyde®. UL listed Type RHH/ST1 with cotton braid for use in accordance with the National Electrical Code. The construction of the wire and cable is in accordance with Telcordia GR-347-CORE and ATIS-0600017.2014, Underwriters Laboratories requirements, and the requirements of CSA for the FT4 flame test. Sizes 1/0 AWG and larger are UL "CT Use" (Cable Tray) rated. Meets IEC including 60674 & 60332 and REACH – European Community Regulation.

CONSTRUCTION

Size: 14 AWG through 750KCMIL Single Conductor

Conductors: Class B stranded, tin-coated copper conforming to ASTM B-33 and Underwriters Laboratories requirements. An opaque Mylar tape shall be applied over the conductor to facilitate stripping.

Insulation: 105°C rated low smoke, non-halogen TelcoHyde® conforming to Underwriters Laboratories Standard 44, Subjects 509 and 758, and CSA C22.2 No. 210-11. In addition, TelcoHyde® complies with the requirements of Telcordia Specification GR-347-CORE. The insulation has a Limiting Oxygen Index of 35%.

Separator: On sizes 6 AWG and larger, a 1 mil clear Mylar tape shall be applied over the insulation.

Covering and Finisher On all sizes, a natural cotton braid conforming to UL Standard 44 requirements is applied overall. A section of completed cable has a Limiting Oxygen Index of 35%. A moisture resistant, fire retardant saturant and a colored finisher are applied to the braid.

Surface Marking: Two sides of the cable shall be printed using an ink of a contrasting color and with the following information: "SOUTHWIRE AIW™ CORD BRAND TELCOFLEX® III/KS24194™ L3 NON-HAL (UL) E18321 SIZE (AWG or KCMIL) 600 VOLTS RHH ST1 FT4 OR AWM 3578 60°C WET VW-1 — LL8825 CSA AWM I B 105°C 600 VOLTS FT4 YEAR TIME JULIAN DATE — MEETS IEC INCLUDING 60674 & 60332" Add "FOR CT USE" before "(AWM3578)”"on Sizes 1/0 AWG and larger. Sequential footage markings shall be applied at 2 foot intervals on one side of the cable.

Testing: Physical and electrical tests in accordance with the requirements of UL Standard 44, Subject 509 and 758, and CSA Standard C22.2 No. 210-11 as AWM.

Labels: UL and CSA tags and labels shall be applied to all packages.

CABLE DATA
Size Stranding Nominal
CMA
Conductor
Diamter
Insulation Min
Avg Walls
Nominal Insulation
Diameter
Nominal OD
Over Braid
MAX. DC
RES
@ 20°C
Ampacity per
NEC Table
310.15 (B)(16)
AWG In Mils In In Ohms/MFT 75°C 90°C
14 7/.0247" 4410 .0708 45 .164 .226 2.730 20 25
12 7/.0311" 6530 .0892 45 .182 .244 1.720 25 30
10 7/.0392" 10380 .1130 45 .210 .272 1.080 35 40
8 7/.0495" 16510 .1420 60 .265 .327 .6795 50 55
6 7/.0624" 26240 .1780 60 .304 .370 .4376 65 75
4 7/.0787" 41740 .2250 60 .348 .414 .2689 85 95
2 7/.0992" 66360 .2830 60 .406 .482 .1691 115 130
1/0 19/.0760" 105600 .3620 80 .530 .606 .1063 150 170
2/0 19/.0853" 133100 .4050 80 .579 .651 .08432 175 195
4/0 19/.1076" 211600 .5120 80 .688 .756 .05248 230 260
350 MCM 37/.0991" 350000 .6610 95 .854 .930 .03206 310 350
500 MCM 37/.1185" 500000 .7900 95 .983 1.059 .02222 380 430
750 MCM 61/.1130" 750000 .9680 110 1.200 1.276 .01481 475 535
 

 

Print Legend
SOUTHWIRE AIW™ CORE BRAND TElCOFlEX™ III KS24194™ l3 NoN Hal SIZE aWg 600V RHH ST1 FT4 (ul) oR aWm 3578 60°C WET VW-1 E NumBER CSa NumBER CSa aWm IB 105°C 600V FT4 YEaR (SIZES oVER 1/0 INCluDE “FoR CT uSE”)


UL Listed CSA CSA

TELCOFLEX® is a registered trademark of Southwire. TelcoHyde is a trademark of Southwire.
KS24194 is a trademark of General Electric Corporation.