IMSA

Multi-conductor nonshielded 600V Polyethylene Insulation, Polyvinyl Chloride (PVC) Jacket
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Application

Southwire’s IMSA 19-1 cable meets the requirements of International Municipal Signal Association IMSA 19-1 specification. Rated for use in traffic signal, traffic control systems, underground conduit and aerial use where supported by a messenger. IMSA 19-1 600 Volt series cables run from the traffic light to the controller station The conductors are bare annealed copper stranded class B and covered with an abrasion, sunlight and moisture resistant polyvinyl chloride jacket. The insulated conductors are twisted and wrapped with a polyester tape. A ripcord is added under the black polyvinyl chloride jacket for ease of removal. These cables are capable of operating continuously at a conductor temperature between -20°C and 75°C.

Specifications

measurement
imperial metric
Select a set of products below for more information:
Conductor Ground Wire
No. of Conductors Size (AWG or kcmil) No. of Strands Insulation Thickness (mils) (mm) Size (AWG) No. of Strands Nom. OD (mils) (mm) Nominal Total Weight (lbs/1000') (kgs/km) Allowable Ampacity
595987 0 0 14 AWG 14 AWG 19 19 31 0.79 250 6.35 31 46
593124 2 2 14 AWG 14 AWG 1 1 25 0.64 330 8.39 58 86
593125 3 3 14 AWG 14 AWG 1 1 25 0.64 348 8.85 75 112
593126 5 5 14 AWG 14 AWG 1 1 25 0.64 409 10.39 111 166
581329 7 7 14 AWG 14 AWG 1 1 25 0.64 444 11.28 135 200
595472 3 3 12 AWG 12 AWG 7 7 30 0.76 466 11.84 115 172
578889 null null null null

Standards & References

  • ASTM B3 Standard Specification for Soft or Annealed Copper Wire
  • ASTM B8 Concentric-Lay-Stranded Copper Conductors
  • ASTM B174 Standard Specification for Bunch-Stranded Copper
  • EPA 40 CFR, Part 26, Subpart C heavy metals per Table 1, TCLP method
  • IMSA 19-1

Construction

  • Conductor:Stranded annealed bare copper class B per ASTM B3 and B8
  • Insulation:Polyethylene PE
  • Rip Chord:High strength rip chord for ease of jacket removal
  • Separator:Polyester tape
  • Jacket:Black polyvinyl chloride PVC jacket

Resources

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