U.S. imports of Parts of Electric Sound or Visual Signaling Apparatus (SITC 77885) totaled $52.7M in August 2026, imported from 57 countries.
Importers of Parts of Electric Sound or Visual Signaling Apparatus paid $4.5M in duties in August 2026, an average duty rate of 8.79% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Parts of Electric Sound or Visual Signaling Apparatus imports of $52.7M in August 2026 ran 15% above the year-to-date monthly average of $45.8M.
Last updated: August 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.
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3.7K import shipments a month
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.
Basic heading 217 of 642 in section 7
Basic heading 77885 · $52.7M of $172.0B
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Imports · August 2026
origin
Mexico and China together supply 54% of it. China pays 36.9% duty; Mexico 0.9%.
customs district
Census does not publish district detail for this classification system.
destination
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$52.7MYoY · free account
Exports
$46.5MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $545.3M of Parts of Electric Sound or Visual Signaling Apparatus.
Through August 2026 · exports 10 of 12 months reported. Source: U.S. Census Bureau.