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Type LTTU - wide temperature, UL Listed

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Liquid-tight flexible metallic conduit


Wide temperature, UL Listed liquid-tight flexible metallic conduits provide excellent performance in a wide ranges low and high temperatures.

Features & benefits:

  • Global certification to UL, CSA and IEC standards requirements
  • Wide temperature range from -55 to +105°C (-67 to +221°F)
  • Trade sizes from 3/8 to 4” (12mm to 103mm)
  • Coordinated performance with Series 52/53 Steel Fittings
  • UL, CSA & IP ingress protection ratings aligned with industrial enclosures
  • Smooth extruded jackets provide best performance with fittings

Applications:

  • The LTTU flexible metallic conduit is used with high temperature machine tool wiring
  • Ideal for use in outdoor applications for cold environments
  • Liquid tight applications against water, oils, cutting fluids, mild acids
  • For use in electrical circuits up to 1,000 V
  • Listed and marked for direct burial in earth or in poured concret
  • NEC Article 250 Equipment Grounding:
    – 3/8 and 1/2” – grounding in circuits up to 20A
    – 3/4” to 1-1/4” – grounding in circuits up to 60A
    – 1-1/2” to 4” – separate ground wire required
  • NEC installations in hazardous (classified) locations:
    – Article 501.10 (B) (2) & 501.30 (B) Class I Div. 2
    – Article 502.10 (A) (2) & 502.30 (B) Class II Div. 1; 502.10 (B) (2) Class II Div. 2
    – Article 503.10 (A) (2) & 503.30 (B) Class III Div. 1; 503.10 (A) (2) Class III Div. 2
    – NEC Code requirements must be complied with when LFMC is used as Equipment Grounding Conductors

Construction / Material / Finish:

  • Hot-dipped zinc galvanized steel core
  • PVC (polyvinyl chloride) extruded smooth jacket
  • Ink jet printed ratings and technical information
  • Full range of trade sizes from 3/8” to 4” (12 to 103mm)
    – 3/8 to 1-1/4”, integral copper bonding wire, square lock design
    – 1-1/2” to 4”, fully interlocked design
  • Colors: Machine Tool Gray standard
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