In the Aug. 20, 2025, Customs Bulletin and Decisions, U.S. Customs and Border Protection is reclassifying certain dimmers as boards for electric control under HTSUS 8537.10.91 (2.7 percent duty) rather than as radio remote control apparatus under HTSUS 8526.92.50 (4.9 percent duty).
Ruling HQ H257143 will revoke rulings NY N250956 and NY N250985 to reflect this change, effective with respect to goods entered or withdrawn from warehouse for consumption on or after Oct. 20.
The items at issue use radio frequency to wirelessly activate the operations of other devices controlled by an automation system, such as adjusting light levels in other rooms, turning on music, and locking doors.
CBP explains that heading 8526 is inapplicable because, while the dimmers may receive radio signals, the control of the lighting circuit is achieved through electrical connections and not radio frequency. Instead the dimmers each incorporate a board equipped with multiple switches to open, close, and protect electrical circuits, and such switches would meet the terms of heading 8536.
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