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IMSA 51-3 18 AWG

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.

Product Description

Designed for use with vehicle detection systems as “Loop Detector Wire”. This wire is installed in a saw cut to generate an inductive field to detect the presence of vehicles.

IMSA 51-3 withstands temperatures as low as -25 degrees Celsius up to 90 degrees Celsius. The cable also has a voltage rating of 600V. It has applications in both outdoor and indoor systems.



  • Single conductor: Stranded Bare copper
  • Insulation: cross-linked Polyethylene
  • Unshielded
  • Jacket: cross-linked PE
  • The strong thickness of 51-3 XPLE (polyethylene) insulation jacket insures lack of premature fraying in extreme temperatures and weather conditions

Total Number Conductors – 1

AWG – 18

Stranding – 7 strand

Conductor Material – Bare Copper

Insulation Material – Cross-Linked Polyethylene

Insulation/Dielectric Thickness – .030″

Nominal Insulation Diameter – .106″

Color Code – Black