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 39-2/40-2( Communication Cable)

Application and Description :

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

installation in raceway in buildings, not including trays either as fire protective signaling cable or traffic

communications and data acquisition cable suitable for power limited use.

Cable Construction:

IMSA 39-2 Traffic Signal Cable

Conductor: Solid bare copper per ASTM B-3

Insulation: Polyethylene(PE)

Pairing: Two insulated conductors twisted together

Binder tape: Clear mylar wrap - 100% coverage

Shield: Corrugated copper tape- 15% minimum overlap

Sheath: IMSA 39-2-Black Polyvinyl chloride (PVC)/ IMSA 40-2-Black Polyethylene(PE)

IMSA 40-2 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 Sheath thickness Overall Diameter Cable Weight
inches mm inches mm inches mm Lbs./ Kft Kg/Km
19 3 Solid 0.015 0.38 0.045 1.14 0.424 10.77 77 115
19 6 Solid 0.015 0.38 0.06 1.52 0.565 14.35 132 196
19 12 Solid 0.015 0.38 0.06 1.52 0.666 16.92 205 305
19 18 Solid 0.015 0.38 0.06 1.52 0.77 19.56 283 421
19 25 Solid 0.015 0.38 0.08 2.03 0.82 20.83 369 549
19 50 Solid 0.015 0.38 0.08 2.03 1.27 32.26 703 1046
16 3 Solid 0.02 0.51 0.06 1.52 0.57 14.48 130 193
16 6 Solid 0.02 0.51 0.06 1.52 0.67 17.02 203 302
16 12 Solid 0.02 0.51 0.08 2.03 0.89 22.61 415 618
16 18 Solid 0.02 0.51 0.08 2.03 1.09 27.69 528 786
16 25 Solid 0.02 0.51 0.08 2.03 1.14 28.96 744 1107
16 50 Solid 0.02 0.51 0.08 2.03 1.59 40.39 1267 1885