Porcelain High-Voltage Post Insulator
A porcelain insulator designed for supporting high-voltage power lines on utility poles, preventing electrical conduction between the conductor and ground. It falls under HTS 8546.90.00.00 as an electrical insulator of ceramic material classified as 'other' since it does not fit specific subheadings for composite or glass insulators.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If made of composite polymeric materials
Composite insulators using fiberglass and silicone rubber fall under the specific subheading for polymeric materials rather than the general 'other' category.
If made primarily of glass
Glass insulators, such as tempered glass disc types, are classified separately from ceramic or composite insulators.
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Import Tips & Compliance
• Obtain material composition certificates verifying porcelain content; test for dielectric strength compliance with ANSI standards; declare voltage rating accurately to avoid misclassification
Related Products under HTS 8546.90.00.00
Epoxy Resin Bushings Insulator
Epoxy resin bushings used in transformers to insulate high-voltage conductors passing through the tank wall. Classified under HTS 8546.90.00.00 as an 'other' electrical insulator made from synthetic resin materials.
Steatite Ceramic Stand-Off Insulator
Steatite ceramic stand-off insulators used to mount and separate electrical components on circuit boards or panels. Falls under HTS 8546.90.00.00 as ceramic electrical insulators not covered by other specific subheadings.
PTFE Threaded Rod Insulator
Polytetrafluoroethylene (PTFE) threaded rod insulators for supporting busbars in electrical panels. Classified under HTS 8546.90.00.00 as plastic electrical insulators of any material type.
Alumina Ceramic Pin Insulator
High-purity alumina ceramic pin insulators for low to medium voltage distribution lines. HTS 8546.90.00.00 covers these as other ceramic electrical insulators.
Micaceous Mica Board Insulator
Mica board made from micaceous minerals used for electrical insulation in heating elements and commutators. Classified as other electrical insulators under HTS 8546.90.00.00.
Silicone Rubber Suspension Insulator
Silicone rubber suspension insulators for overhead transmission lines with high mechanical strength. Falls under HTS 8546.90.00.00 as other non-composite material electrical insulators.