International Municipal Signal Association(IMSA Series)
IMSA 51-3(Loop Detector Cable)
Application and Description
These cables are designed for use in municipal signal systems as "Loop Detector Wire". These wires are installed in pavement saw cuts at traffic intersections to detect the presence of motor vehicles. The signal is sent to a traffic signal controller to activate the light changes.
Cable Construction
- Conductor: Solid or stranded tinned copper per ASTM B-3 or ASTM B-8
- Insulation: Black cross-linked polyethylene (XLPE)
Temperature Rating
90°C
Voltage Rating
600 V
Cable Parameter
AWG | No. of Conductor |
Solid or Stranded |
Insulation Thickness | Overall Diameter | Cable Weight | |||
inches | mm | inches | mm | Lbs./Kft | Kg/Km | |||
14 | 1 | Solid | 0.030 | 0.76 | 0.125 | 3.18 | 17 | 25 |
14 | 1 | 7 | 0.030 | 0.76 | 0.135 | 3.43 | 18 | 27 |
14 | 1 | 19 | 0.030 | 0.76 | 0.135 | 3.43 | 18 | 27 |
12 | 1 | Solid | 0.030 | 0.76 | 0.145 | 3.68 | 25 | 37 |
12 | 1 | 7 | 0.030 | 0.76 | 0.155 | 3.94 | 26 | 39 |
10 | 1 | Solid | 0.030 | 0.76 | 0.165 | 4.19 | 38 | 57 |
10 | 1 | 7 | 0.030 | 0.76 | 0.18 | 4.57 | 39 | 58 |
8 | 1 | 7 | 0.045 | 1.14 | 0.24 | 6.10 | 66 | 98 |
6 | 1 | 7 | 0.045 | 1.14 | 0.275 | 6.99 | 99 | 147 |
4 | 1 | 7 | 0.045 | 1.14 | 0.325 | 8.26 | 151 | 225 |
2 | 1 | 7 | 0.045 | 1.14 | 0.38 | 9.65 | 232 | 345 |