SPEC 45552

CU 600V PE PE Cable Color Method 1 Table 1 Traffic Signal IMSA 20-1

Multi-conductor nonshielded 600V Polyethylene Insulation, Polyethylene (PE) Jacket



  1. Conductor:Solid or stranded annealed bare copper class B per ASTM B 3 and B8
  2. Insulation:Polyethylene PE
  3. Rip Chord:High strength rip chord for ease of jacket removal
  4. Separator:Polyester tape
  5. Jacket:Black polyethylene PE jacket

Applications and Features:

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

• Cable is manufactured by Southwire Company in their Waukegan, IL plant USA.


  • 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 20-1
  • Sample Print Legend:

    Table 1 – Physical and Electrical Data
    Cond. SizeCond. NumberCond. StrandsDiameter Over Cond.Insul. ThicknessJacket ThicknessApprox. ODApprox. WeightDC ResistanceMin Bending Radius
    16 AWG
    All dimensions are nominal and subject to normal manufacturing tolerances
    ◊ Cable marked with this symbol is a standard stock item

    Revision: 3.0.00M