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SITCSection 7
U.S. imports of parts of electric sound or visual signaling apparatus (SITC 77885) totaled $44.9M in April 2026, traded with 50 countries.
Importers of Parts of Electric Sound or Visual Signaling Apparatus paid $3.9M in duties in April 2026 — an effective duty rate of 15% on $26.7M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataReplacement and component parts for electric sound or visual signaling devices — including indicator panels, burglar alarms, and fire alarm systems — fall under this residual SITC heading when no more specific classification applies. Importers should verify that parts are classifiable here rather than under the finished apparatus headings, as the distinction between a subassembly and a complete unit can shift duty treatment. These components feed into the commercial security, industrial automation, and building-systems sectors, where supply chains often span multiple countries of origin for different sub-components.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Classification hinges on whether the article is identifiable as a part dedicated to a signaling function or constitutes a complete, functional device. Parts that are solely or principally used with burglar alarms, fire alarms, or indicator panels belong here when no more specific SITC heading applies. When the distinction is unclear — for example, with a pre-assembled module — consulting a licensed customs broker or reviewing the relevant HTS General Rules of Interpretation is advisable.
Under SITC 77885, parts for both fire alarm and burglar alarm apparatus are grouped together in the same residual category. The distinction matters more at the HTS 10-digit level, where specific tariff lines may separate these by function or material composition. Importers should confirm the precise HTS classification to determine applicable duty rates and any trade-remedy exposure.
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| MEXICO | $15.9M | $12.5M | -$3.4M |
| CANADA | $2.0M | $4.8M | +$2.8M |
| CHINA | $5.1M | $1.4M | -$3.7M |
| UNITED KINGDOM | $810K | $3.0M | +$2.1M |
| SINGAPORE | $1.0M | $2.6M | +$1.6M |
Monthly import values over time