HTS heading 8544 · Chapter 85

HTS 8544: Insulated wire, cable and other insulated electric…

HTS heading 8544 covers insulated (including enameled or anodized) wire, cable (including coaxial cable) and other insulated electric conductors, whether or not fitted with connectors; optical fiber cables, made up of individually sheathed fibers, whether or not assembled with electric conductors or fitted with connectors. It has 15 tariff lines with a duty rate; the general (MFN) rates are Free (4 lines), 3.5% (3 lines), 3.9% (2 lines) and others.

Imports may also owe Chapter 99 tariffs (Section 232, 301 or 201) depending on origin and date, plus the Merchandise Processing Fee and, by sea, the Harbor Maintenance Fee.

Rates from the 2026 HTS Revision 22, effective October 30, 2026. Source: U.S. International Trade Commission.

HTS code

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Country of origin

Customs value (USD)

Mode of transport

Entry date

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Tariff lines and duty rates

HTS code	Description	General	Special	Column 2	Estimate
	Winding wire:
8544.11.00	Of copper	3.5%	Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	40%
8544.11.00.20	33 AWG (0.18 mm in diameter) and finer[kg]				Estimate →
8544.11.00.30	22 AWG (0.643 mm in diameter) and finer but larger than 33 AWG (0.18 mm in diameter)[kg]				Estimate →
8544.11.00.50	Other[kg]				Estimate →
8544.19.00.00	Other[kg]	3.9%	Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	35%	Estimate →
8544.20.00.00	Coaxial cable and other coaxial electric conductors[kg]	5.3%	Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	35%	Estimate →
8544.30.00.00	Ignition wiring sets and other wiring sets of a kind used in vehicles, aircraft or ships[No.]	5%	Free (A*,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	30%	Estimate →
	Other electric conductors, for a voltage not exceeding 1,000 V:
8544.42	Fitted with connectors:
8544.42.10.00	Fitted with modular telephone connectors[No.]	Free		35%	Estimate →
	Other:
8544.42.20.00	Of a kind used for telecommunications[No.]	Free		35%	Estimate →
8544.42.90	Other	2.6%	Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	35%
8544.42.90.10	Extension cords as defined in statistical note 7 to this chapter[No.]				Estimate →
8544.42.90.90	Other[No.]				Estimate →
8544.49	Other:
	For a voltage not exceeding 80 V:
8544.49.10.00	Of a kind used for telecommunications[kg]	Free		40%	Estimate →
8544.49.20.00	Other[kg]	3.5%	Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	40%	Estimate →
	Other:
8544.49.30	Of copper	5.3%	Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	40%
8544.49.30.40	For a voltage exceeding 600 V[kg]				Estimate →
8544.49.30.80	Other[kg]				Estimate →
8544.49.90.00	Other[kg]	3.9%	Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	35%	Estimate →
8544.60	Other electric conductors, for a voltage exceeding 1,000 V:
8544.60.20.00	Fitted with connectors[No.]	3.7%	Free (A,AU,B,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG)	35%	Estimate →
	Other:
8544.60.40.00	Of copper[kg]	3.5%	Free (A,AU,B,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG)	40%	Estimate →
8544.60.60.00	Other[kg]	3.2%	Free (A,AU,B,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG)	35%	Estimate →
8544.70.00.00	Optical fiber cables[Fiber m]	Free		65%	Estimate →

22 lines shown. Statistical suffixes (the last two digits) inherit the rate of the 8-digit subheading above them.

Example: base duty and fees on $10000

For HTS 8544.11.00 at the general rate of 3.5%, shipped by ocean, before any Chapter 99 tariffs:

Base duty (3.5%)	$350.00
Merchandise Processing Fee (0.3464%, min $34.58)	$34.64
Harbor Maintenance Fee (0.125%)	$12.50
Duty and fees	$397.14

Origin-specific tariffs can multiply this. Run this example from China or from Mexico to see every line.

Special program codes in this heading

A, A*, A+: Generalized System of Preferences (GSP)
AU: U.S.–Australia FTA
B: Automotive Products Trade Act
BH: U.S.–Bahrain FTA
C: Agreement on Trade in Civil Aircraft
CL: U.S.–Chile FTA
CO: U.S.–Colombia Trade Promotion Agreement
D: African Growth and Opportunity Act (AGOA)
E, E*: Caribbean Basin Economic Recovery Act
IL: U.S.–Israel FTA
JO: U.S.–Jordan FTA
JP: U.S.–Japan Trade Agreement
KR: U.S.–Korea FTA (KORUS)
MA: U.S.–Morocco FTA
OM: U.S.–Oman FTA
P, P+: CAFTA-DR
PA: U.S.–Panama Trade Promotion Agreement
PE: U.S.–Peru Trade Promotion Agreement
S, S+: USMCA (United States–Mexico–Canada Agreement)
SG: U.S.–Singapore FTA

A special rate applies only when the goods qualify under that program's rules of origin and the claim is made at entry.

Duty by country of origin

Electric cables with connectors (8544.42.90) · China · Mexico · Vietnam · Canada · Germany · Japan · South Korea · Taiwan · India · Italy

Frequently asked questions

What is the duty rate for HTS 8544?

Heading 8544 has 15 rate lines. The general (MFN) duty rates are Free (4 lines), 3.5% (3 lines), 3.9% (2 lines), 5.3% (2 lines). Products of free trade agreement partners may enter at the special rate, and Column 2 rates apply to countries without normal trade relations. Chapter 99 tariffs can be added on top: calculate the full amount.

Do Section 301, 232 or 201 tariffs apply to HTS 8544?

It depends on the 8- or 10-digit subheading, the country of origin, the entry date and, for Section 232, the metal content. These additional duties are listed in Chapter 99 of the HTS. The free duty calculator checks each program for a given code, origin and date and shows which apply and why.

What fees are added to an import under HTS 8544?

Formal entries pay the Merchandise Processing Fee of 0.3464% of value (minimum $34.58, maximum $670.86 in FY2027). Ocean shipments also pay the Harbor Maintenance Fee of 0.125% of value. See the import duty calculator for how they combine.