Highway Cables
Traffic Control Cable
British Standard Highway Cables
International Municipal Signal Association(IMSA Series)
National Motorway Communications System Specifications(TR Series)

International Municipal Signal Association(IMSA Series)

IMSA 39-6/40-6( Communication Cable)

Application and Description :

These cables are designed for use in underground conduit or as aerial cable supported by a messenger, or for

direct earth burial or for installation in race way in buildings, not including trays, either as fire protective

signaling cable or traffic communications and data acquisition cable suitable for power limited use, suitable for

use in either wet or dry locations.

Cable Construction:

IMSA 39-6 Traffic Signal Cable

Conductor: Solid bare copper per ASTM B-3(stranded copper is optional)

Insulation: Polyethylene(PE)

Pairing: Two insulated conductors twisted together

Binder tape: Clear mylar wrap - 100% coverage

Inner sheath: Polyethylene(PE)

Shield: Corrugated copper tape- 15% minimum overlap

Outer sheath: IMSA 39-6-Black Polyvinyl chloride (PVC)/ IMSA 40-6-Black Polyethylene(PE)

IMSA 40-6 Traffic Signal Cable

Color Code :

Conductor No. Insulation Color Conductor No. Insulation Color
A wire B wire A wire B wire
1 White Blue 14 Black Brown
2 White Orange 15 Black Slate
3 White Green 16 Yellow Blue
4 White Brown 17 Yellow Orange
5 White Slate 18 Yellow Green
6 Red Blue 19 Yellow Brown
7 Red Orange 20 Yellow Slate
8 Red Green 21 Violet Blue
9 Red Brown 22 Violet Orange
10 Red Slate 23 Violet Green
11 Black Blue 24 Violet Brown
12 Black Orange 25 Violet Slate
13 Black Green

Binding Tape Color Code: cables containing more than 25 pairs are assembled insub-sectors/

groups. These are identified by spirally applied color-coded nonhygroscopicbinding tapes. The binding

tapes use the same 25 pair color code.

Temperature Rating:

75°C

Voltage Rating:

300 V

Cable Parameter :

AWG No. of Pairs Solid or Stranded Insulation Thickness Inner Sheath thickness Outer Sheath thickness Overall Diameter Cable Weight
inches mm inches mm inches mm inches mm Lbs./Kft Kg/Km
19 3 Solid 0.015 0.38 0.045 1.14 0.06 1.52 0.57 14.48 115 171
19 6 Solid 0.015 0.38 0.045 1.14 0.06 1.52 0.63 16.00 157 234
19 12 Solid 0.015 0.38 0.045 1.14 0.06 1.52 0.756 19.20 248 369
19 18 Solid 0.015 0.38 0.045 1.14 0.08 2.03 0.89 22.61 352 524
19 25 Solid 0.015 0.38 0.045 1.14 0.08 2.03 1.01 25.65 444 661
19 50 Solid 0.015 0.38 0.06 1.52 0.08 2.03 1.255 31.88 783 1165
16 3 Solid 0.02 0.51 0.045 1.14 0.06 1.52 0.66 16.76 161 240
16 6 Solid 0.02 0.51 0.045 1.14 0.06 1.52 0.78 19.81 247 368
16 12 Solid 0.02 0.51 0.06 1.52 0.08 2.03 0.97 24.64 421 626
16 18 Solid 0.02 0.51 0.06 1.52 0.08 2.03 1.22 30.99 607 903
16 25 Solid 0.02 0.51 0.075 1.91 0.11 2.79 1.31 33.27 772 1149
16 50 Solid 0.02 0.51 0.045 1.14 0.06 1.52 1.83 46.48 1493 2222