Type MC-HL Instrumentation Cable 600 Volt PVC/Nylon Insulated Singles Shielded Triads with Overall Shield Continuous Corrugated Armor-x -50°C to 90°C

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Southwire’s Instrumentation Cables Type MC-HL per UL 1569 are suitable for installations as outlined in NEC Article 330 for process control and instrumentation, control circuits for operation and interconnection of protective and signaling devices and for general use in manufacturing, industrial and commercial distribution systems. Cables are constructed with 7-strand copper conductors insulated with nylon covered PVC. The triad conductors are colored black, white, red and alpha-numeric printed. Each triad has an aluminum polyester foil with 100% coverage and a tinned drain wire. The overall assembly is covered with an aluminum polyester foil with 100% coverage and a tinned drain wire. The cable is suited for use in cable trays, raceways, conduit, aerial (when supported with a messenger) and direct burial. The cable is rated for -50°C to 90°C and rated for Class I Div I hazardous locations. The inner jacket is black PVC with a nylon rip cord for easy removal. The outer jacket is black PVC


Select a set of products below for more information:
Conductor Ground Wire
No. of Conductors Size (AWG or kcmil) (mm2) 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
3 3
16 AWG 16 AWG
7 7
15 0.38
650 16.51
192 286
12 12
16 AWG 16 AWG
7 7
15 0.38
1046 26.57
467 695
24 24
16 AWG 16 AWG
7 7
15 0.38
1346 34.19
770 1145
36 36
16 AWG 16 AWG
7 7
15 0.38
1556 39.52
1108 1649

Standards & References

  • ASTM B8 Concentric-Lay-Stranded Copper Conductors
  • ASTM B33 Standard Specification for Tin-Coated Soft or Annealed Copper Wire
  • UL 66 Fixture Wire Type TFFN
  • UL 83 Thermoplastic Insulated Wires and Cables Type THHN
  • UL 1309 Marine Shipboard Cable
  • UL 1569 Metal-Clad Cables
  • UL 1685 Vertical-Tray Fire Propagation and Smoke Release Test
  • UL 2225 Cables and Cable-Fittings For Use In Hazardous (Classified) Locations
  • IEEE 1202 FT4 Flame Test (70,000) BTU/hr Vertical Tray Test
  • IEEE 1580 Recommended Practice for Marine Cable
  • EPA 40 CFR, Part 26, Subpart C heavy metals per Table 1, TCLP method
  • ABS Listed as CWCMC


  • Conductor:Class B stranded bare copper per ASTM B3 and B8
  • Insulation:Premium Grade Polyvinyl Chloride (PVC) plus nylon. Color code: Black, White, Red with alpha-numeric print on each pair. 1-ONE, 2-TWO
  • Drain Wire:Tinned copper
  • Twisted Shielded Triads:100% coverage aluminum/polyester foil shield with an individual drain wire shown in step 3
  • Binder:Mylar binder
  • Overall Drain Wire:Tinned Copper
  • Overall Shielded:100% coverage aluminum/polyester foil shield with a drain wire as shown in step 6
  • Rip Cord:Rip cord under jacket for ease of removal
  • Inner Jacket:Black PVC
  • Armor:ARMOR-X continuous impervious weld corrugated aluminum armor
  • Jacket:Black sunlight and moisture resistant Polyvinyl Chloride (PVC)


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