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 19-2/20-2(Signal & Communications 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 building, not including trays, or used in traffic signal, traffic control systems, fire alarm

systems.

Cable Construction:

IMSA 19-2 Traffic Signal Cable

Conductor: Solid bare copper per ASTM B-3

Insulation: Polyethylene(PE)

Pairing: Two insulated conductors twisted together

Shield: Corrugated copper tape- 15% minimum overlap

Sheath: IMSA 19-2- Black Polyvinyl chloride (PVC)/ IMSA 20-2- Black Polyethylene(PE)

IMSA 20-2 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:

600 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
14 1 Solid 0.025 0.64 0.045 1.14 0.41 10.41 87 129
14 2 Solid 0.025 0.64 0.06 1.52 0.63 16.00 141 210
14 4 Solid 0.025 0.64 0.06 1.52 0.69 17.53 214 318
14 6 Solid 0.025 0.64 0.08 2.03 0.87 22.10 320 476
14 8 Solid 0.025 0.64 0.08 2.03 0.92 23.37 398 592
16 3 Solid 0.025 0.64 0.08 2.03 0.58 14.73 135 201
16 6 Solid 0.025 0.64 0.08 2.03 0.76 19.30 343 510
16 12 Solid 0.025 0.64 0.08 2.03 0.97 24.64 406 604
16 18 Solid 0.025 0.64 0.08 2.03 1.15 29.21 560 833
16 25 Solid 0.025 0.64 0.08 2.03 1.31 33.27 740 1101
16 50 Solid 0.025 0.64 0.11 2.79 1.83 46.48 1526 2271