Galvanized Conduit Expansion Joint with Rubber Insulation
A galvanized steel expansion joint for electrical conduits, internally lined with synthetic rubber for insulation and flexibility in thermal expansion applications. It qualifies for HTS 8547.90.00.40 as an other joint of base metal lined with insulating material, with threaded metal sockets for assembly. Used in outdoor electrical installations to accommodate movement.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the rubber lining is the primary functional component
Tubes and pipes of vulcanized rubber fall under heading 4009, applicable if metal is secondary to rubber structure.
If imported unlined or with minimal protective coating only
Plain steel fittings without insulating liner functionality are under Chapter 73 for metal tube fittings.
If for complete insulating fittings not specified as conduit joints
Other insulating fittings of insulating material with minor metal are in 8547.20, but conduit-specific joints are separated.
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Import Tips & Compliance
• Test rubber liner for dielectric strength and provide test reports; declare galvanization type to avoid corrosion-related duties; ensure joints meet NEC Article 350 for flexible applications
Related Products under HTS 8547.90.00.40
PVC-Coated Rigid Conduit Coupling
Rigid steel conduit coupling with integral PVC insulating liner for corrosion protection. HTS 8547.90.00.40 covers this base metal conduit joint. Standard for underground installations.
Set-Screw Conduit Connector
Steel connector with set-screw mechanism and vinyl insulating liner for secure conduit attachment. HTS 8547.90.00.40 for other lined joints. Raintight design.
Compression-Type Conduit Joint
Compression ring joint of brass with Santoprene liner for watertight seals. HTS 8547.90.00.40 applies. For direct burial.
Industrial Conduit Whip Joint
Pre-bent whip joint steel with TPE liner for motor connections. HTS 8547.90.00.40 for lined conduit joints. Vibration resistant.
Explosion-Proof Conduit Seal Joint
Steel seal joint for explosion-proof conduit systems, lined with epoxy insulation for hazardous locations. Fits HTS 8547.90.00.40 as other lined electrical conduit joints. Certified for Class I Div 1 areas.
PVC-Lined Steel Electrical Conduit Coupling
A threaded coupling joint made of galvanized steel lined with insulating PVC material, designed to connect sections of electrical conduit tubing for protecting wiring in residential and commercial buildings. It falls under HTS 8547.90.00.40 as an electrical conduit joint of base metal lined with insulating material, featuring minor metal components for assembly. The insulating liner prevents electrical shorts and ensures safety compliance.