• IMSA 51-1 THHN<br>Loop Detector Lead-In Wire
Application:
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.

Construction:
    • Conductors
      Stranded, uncoated annealed copper per ASTM B-8. Other strandings and tinned conductors available upon special request.

  • Insulation
    Heat stabilized PVC with a nylon jacket per IMSA Specification No. 51.1 paragraph 4 and 6. Insulation color is black.


Standards:
Dimensionals physicals and electricals per IMSA SPECIFICATION NO. 51.1.
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Item #

Size
(AWG or kcmil)

Number
of
Strands

Strands
O.D.
(Inches)

Insulation
Thickness
(Inches)

Jacket
Wall
(Inches)

Overall
Diameter
(inches)

Weight
(lb/1000 ft)

N/A 18 N/A 7 N/A .0152 N/A .015 N/A .004 N/A .085 N/A 7
N/A 16 N/A 11 N/A .0192 N/A .015 N/A .004 N/A .097 N/A 11
N/A 14 N/A 16 N/A .0242 N/A .015 N/A .004 N/A .112 N/A 16
N/A 12 N/A 7 N/A .0305 N/A .015 N/A .004 N/A .131 N/A 24
N/A 10 N/A 7 N/A .0385 N/A .015 N/A .004 N/A .165 N/A 38
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