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Type LTGU – general purpose UL Listed

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Liquid-tight flexible metallic conduit

General Purpose, UL Listed liquid-tight flexible metallic conduits providing premier performance in the toughest applications.

Features & benefits:

  • Global certification to UL, CSA and IEC requirements high quality cores and jackets for excellent strength and durability
  • Trade sizes from 3/8” to 4” (12mm to 100mm)
  • Coordinated performance with Ser. 52/53 Steel Fittings
  • UL, CSA and IP ingress protection ratings aligned with industrial enclosures
  • Smooth extruded jackets provide best performance with fittings


  • General purpose, UL Listed industrial grade flexible metallic conduit
  • Used extensively in machine tool and other industrial environments where flexibility is necessary for motion, vibration and bending
  • Listed and marked for direct burial in earth or in poured concrete
  • Liquid-tight applications against water, oils, cutting fluids and mild acids 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 is 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
  • Inkjet printed technical information and ratings
  • 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; black optional
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