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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the joint is primarily of plastics without significant base metal structure
Primarily plastic conduit fittings fall under heading 3917 for flexible tubes and fittings of plastics, excluding those with predominant metal base.
If imported as bare metal tube fittings without insulating liner
Unlined metal conduit fittings are classified under Chapter 73 as iron or steel tube fittings, lacking the insulating material required for 8547.
If designed primarily as electrical insulators rather than conduit joints
Insulators of any material except glass/ceramic fall under 8546, but conduit joints with assembly-purpose metal are specifically excluded and go to 8547.
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Import Tips & Compliance
• Verify the base metal construction and insulating liner thickness meets UL 6 standards; provide material composition certificates to avoid misclassification as plastic fittings; check for anti-corrosion coatings which may require additional declarations
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.
Flexible EMT Conduit Connector with Nylon Liner
An electrical metallic tubing (EMT) connector joint of steel with a nylon insulating liner, used for joining flexible conduits in industrial wiring installations. Classified under HTS 8547.90.00.40 for other electrical conduit joints of base metal lined with insulating material, apart from minor metal assembly components. The liner provides electrical insulation and moisture resistance.