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

- 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)/
                      

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 | 
