Ultratite® Type NM

Liquidtight Flexible Nonmetallic Conduit. UL/CSA Listed. Oil-Resistant. Sunlight-Resistant. Crush-Resistant. Temperature Rated -30°C to 80°C.
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Application

Ultratite® Liquidtight Flexible Nonmetallic Conduit is suitable of the following installations:

  • For the installation and protection of electrical conductors
  • Motor circuits - for conductors of motor feeders, branch and control circuits
  • Where the conditions of installation, operation, or maintenance require flexibility or protection from liquids, vapors, solids, or weather
  • Agricultural buildings per NEC® 547.5
  • Used in industrial and commercial applications for conveyors, blowers, cranes, air conditioners, machine tooling and lubrication equipment
  • Exposed or concealed installations
  • Applications requiring movement, crossover connections, or tight bends
  • For direct burial and encased in concrete
  • For flexible connections to swimming pool, spa, and hot tub motors per NEC® 680.21(A)(3) & 680.42(A)(1)
  • Electric signs and outline lighting supply and secondary-circuit conductors per NEC® 600.7, 600.31 (1000 volts or less) & 600.32 (over 1000 volts)
  • Hazardous locations - see Additional Applications Section on the following page for more details

Specifications

measurement
imperial metric
Select a set of products below for more information:
Diameter (inches) (centimeters)
Trade Size (in) (cm) Inner Diameter (min/max) Outer Diameter (min/max) Nominal Total Weight (lbs/1000') (kgs/km) Min. Bend Radius (in) (cm)
550941 3/8 0.95 4.840 / 5.040 12.29 / 12.80 0.690 / 0.710 1.75 / 1.80 105 156 4 10.16
550942 1/2 1.27 0.622 / 0.642 1.58 / 1.63 0.820 / 0.840 2.08 / 2.13 129 192 6.5 16.51
550943 3/4 1.91 0.820 / 0.840 2.08 / 2.13 1.030 / 1.050 2.62 / 2.67 178 265 8.5 21.59
550944 1 2.54 1.041 / 1.066 2.64 / 2.71 1.290 / 1.315 3.28 / 3.34 259 385 13 33.02
550945 1-1/4 3.18 1.380 / 1.410 3.51 / 3.58 1.630 / 1.660 4.14 / 4.22 309 460 16 40.64
550946 1-1/2 3.81 1.575 / 1.600 4.00 / 4.06 1.865 / 1.990 4.74 / 5.05 446 664 18 45.72
550948 2 5.08 2.020 / 2.045 5.13 / 5.19 2.340 / 2.375 5.94 / 6.03 620 923 22 55.88
553587 3/4 1.91 188 280

Standards & References

  • NEC® Type designation - Type LFNC-B (Liquidtight Flexible Nonmetallic Conduit)
  • ANSI / NFPA-70, NEC® Article 356
  • UL Listed to Underwriters Laboratories Standard UL 1660
  • Approved by Canadian Standards Association
  • REACH/RoHS-2 (Chemical Limit) Compliant

Construction

Ultratite® Type NM is manufactured with rigid PVC reinforcement imbedded within a flexible PVC wall. The construction provides excellent impact and crush strength while remaining highly flexible. The conduit resists oils, mild acids and exposure to sunlight.

Resources

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