Type NMHT

This version of Type NM is designed to withstand high-temperature environments. NMHT can be used to contain conductors having insulation materials with higher temperature ratings.

Construction:

• Type NM is a helically wound integral Type B construction. It contains a spiral of rigid PVC reinforcement embedded within the PVC wall.

Application:

Type NMHT is intended for installation in accordance with Article 356 of the NEC (ANSI/NFPA-70) for Flexible Liquidtight Nonmetallic Conduit (LFNC-B or FNMC-B).

• For containment of 1000 volt and lower potential circuits
• Listed and marked for outdoor use
• Listed and marked for direct burial and in poured concrete
• Installations in hazardous (classified) locations:
  • Class I Div. 2 Article 501
  • Class II Div. 1 & 2 Article 502
  • Class III Div. 1 & 2 Article 503
• Electric signs and outdoor lighting over 1000 volts. Article 600.32(A)
• Wiring methods for pools and spas. Article 680
• Conforms to the requirements of section 14.5.5 of the Electrical Standard for Industrial Machinery NFPA-79

Fittings:

Suitable for use with nonmetallic fittings marked for FNMC-B or LFNC-B for liquidtight flexible nonmetallic conduit Type B or with standard metal liquidtight fittings. See NMLT connectors for further information. See Couplings (Splices) to reduce waste and conjoin lengths of Type NMHT conduit.

Continuous lengths on reels available in 1/2″ and 3/4″ diameters only. Larger sizes available in non-continuous lengths on reels. Sections are tied or taped and must be separated for use.

Markets:

Cell Towers, Construction, Oil & Gas Refineries, Power Plants, Renewable Energy, Steel Mills, Utilities, Wastewater Treatment