• Low smoke, zero halogen raceway
  • Low toxicity generation characteristics
  • Hot dipped zinc galvanized low carbon steel core
  • Excellent temperature ratings
  • Black thermoplastic polyurethane jacket
  • Sunlight resistant
  • Flame retardant TPU jacket


  • Wherever limiting toxic material of combustion is needed
  • 600 volt and lower circuits


The LIQUID-TUFF™ LSZH Liquidtight Flexible Metal Conduit shall be formed from zinc coated galvanized low carbon steel strip having a uniform width and thickness. The Low Smoke Zero Halogen designation shall be based upon testing to ASTM® 162 – Flame Spread Index, ASTM® E662 – Smoke Density Generation and Bombardier SMP–800C – Toxic Gas Generation. The finished LIQUID-TUFF™ LSZH Liquidtight Flexible Metal Conduit dimensions shall be in accordance with Table 3.

Jacket – TPU

A rugged low-smoke, moisture, oil, sunlight resistant and flame retardant thermoplastic polyurethane jacket shall be applied directly over the flexible metal conduit. The Low Smoke Zero Halogen jacket shall be tested to and comply with ASTM® 162 – Flame Spread Index, ASTM® E662 – Smoke Density Generation and Bombardier SMP–800C – Toxic Gas Generation.

Temperature Rating

  • 80°C/176°F Dry
  • 60°C/140°F Wet
  • 70°C/158°F Oil resistant
  • –40°C

References & Ratings

  • Non-UL core
  • ASTM® E 162 Flame Spread Index
  • ASTM® E 662 Smoke Density Generation
  • Bombardier SMP–800C Toxic Gas Generation
  • UL 94 Tests for Flammability of Plastic Materials for Parts


A separate grounding conductor is required for all trade sizes.


The surface of the outer jacket shall be clearly marked with the applicable print legend.

Performance Tests

The completed LIQUID-TUFF™ LSZH Non-UL Liquidtight Flexible Metal Conduit shall meet all of the performance requirements outlined below.

  • Flexibility
  • Low Temperature Flexibility
  • Zinc Coating
  • Vertical Flame
  • Physical Properties
  • Deformation
  • Mechanical Water Absorption
  • Moisture Penetration
  • Sunlight Resistance
  • Test for Durability of Ink Printing
Product CodeTrade Size (inches)Trade Size (mm)Coil Length (feet)Reel Length (feet)Approx. Weight/ 100 feet (pounds)External Diameter Over Conduit (min/max) (inches)External Diameter Over Jacket (min/max) (inches)Internal Diameter (min/max) inchesBend Radius (inches)
6705-24-001 1/43550'-1021.540/1.5701.630/1.6601.380/1.4108
6705-40-001 1/435-200'1021.540/1.5701.630/1.6601.380/1.4108
6705-47-001 1/435-750'1021.540/1.5701.630/1.6601.380/1.4108
6706-24-001 1/24150'-1071.735/1.7701.865/1.9001.575/1.6009
6708-22-002 1/26325'-1682.640/2.6752.840/2.8752.480/2.50514.62
NOTE: All dimensions and weights are subject to normal manufacturing tolerances. Not listed for grounding.