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 51-1(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 51-1 Loop Detector Cable

Conductor: Stranded tinned copper per ASTM B-8

Insulation: Black Polyvinyl chloride (PVC)

Sheath: Clear nylon

Temperature Rating:

105°C

Voltage Rating:

600 V

Cable Parameter :

AWG No.
of
Conductor		 Solid or Stranded Insulation Thickness Sheath thickness Overall Diameter Cable Weight
inches mm inches mm inches mm Lbs./ Kft Kg/Km
18 1 7strand 0.015 0.38 0.004 0.10 0.085 2.16 7 10
16 1 7strand 0.015 0.38 0.004 0.10 0.097 2.46 11 16
14 1 7strand 0.015 0.38 0.004 0.10 0.112 2.84 16 24
12 1 7strand 0.015 0.38 0.004 0.10 0.131 3.33 24 36
10 1 7strand 0.020 0.51 0.004 0.10 0.165 4.19 38 57