Seamless Type K Soft Copper Grounding Tubing
Type K heavy wall seamless refined copper tubing annealed soft for electrical grounding conductors. HTS 7411.10.10 for seamless refined copper tubes used in building ground systems. Meets NEC requirements for grounding electrode systems.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If stranded into electrical conductor cables
Copper strand wire products classify under 7413 for electrical conductors.
If rigid structural grounding pipe
Pipe fittings/threaded ends move to Chapter 73 pipe/tube classification.
If phosphor bronze cryogenic variant
Tin-bearing bronze alloys per note (b) use separate subheadings.
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Import Tips & Compliance
• Declare annealed temper (O60); provide UL 467 listing if applicable
• Common issue: confusing with electrical conduit under Chapter 85
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