International Municipal Signal Association(IMSA Series)

IMSA 19-5/20-5(Traffic Signal Cable)

Application and Description

These cables are designed for use in severe service in underground conduit or as aerial cable supported by a messenger or for direct earth burial either as fire protective signaling cable or as a traffic signaling cable.

Cable Construction

IMSA 19-5 Traffic Signal Cable

- Conductor: Solid bare copper per ASTM B-3(stranded copper is optional)
- Insulation: Polyethylene(PE)
- Inner sheath: Polyethylene(PE)
- Shield: Corrugated copper tape- 15% minimum overlap
-Outer sheath: IMSA 19-5-Black Polyvinyl chloride (PVC)/

IMSA 20-5 Traffic Signal Cable

Color Code

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

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 4 Solid 0.030 0.76 0.045 1.14 0.06 1.52 0.57 14.48 168 250
14 7 Solid 0.030 0.76 0.045 1.14 0.06 1.52 0.63 16.00 205 305
14 12 Solid 0.030 0.76 0.045 1.14 0.06 1.52 0.78 19.81 345 513
12 4 Solid 0.025 0.64 0.045 1.14 0.06 1.52 0.63 16.00 194 289
12 7 Solid 0.025 0.64 0.045 1.14 0.06 1.52 0.75 19.05 289 430
12 12 Solid 0.025 0.64 0.045 1.14 0.06 1.52 0.94 23.88 468 696