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 19-6/20-6(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

direct earth burial either as fire protective signaling cable or as traffic signal cable.

Cable Construction:

IMSA 19-6 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 19-2-Black Polyvinyl chloride (PVC)/ IMSA 20-2-Black Polyethylene(PE)

IMSA 20-6 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:

600 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
14 2 Solid 0.025 0.64 0.045 1.14 0.06 1.52 0.685 17.40 196 292
14 4 Solid 0.025 0.64 0.045 1.14 0.06 1.52 0.77 19.56 254 378
14 6 Solid 0.025 0.64 0.045 1.14 0.08 2.03 0.96 24.38 367 546
14 8 Solid 0.025 0.64 0.045 1.14 0.08 2.03 1.015 25.78 440 655
16 3 Solid 0.025 0.64 0.045 1.14 0.06 1.52 0.66 16.76 166 247
16 6 Solid 0.025 0.64 0.045 1.14 0.06 1.52 0.83 21.08 261 388
16 12 Solid 0.025 0.64 0.045 1.14 0.06 1.52 1.09 27.69 459 683
16 18 Solid 0.025 0.64 0.06 1.52 0.08 2.03 1.25 31.75 646 961
16 25 Solid 0.025 0.64 0.06 1.52 0.08 2.03 1.41 35.81 836 1244
16 50 Solid 0.025 0.64 0.075 1.91 0.11 2.79 2.015 51.18 1618 2408