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

IMSA 51-3 Loop Detector Cable

- 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