GlossaryEN1 min readUpdated: Jun 10, 2026

Hot Cargo

Carriers, ocean lines, and labor unions refer to hot cargo as goods that unionized workers refuse to load, transport, or deliver out of solidarity with striking colleagues or during labor disputes.

Last updated: 10 June 2026Published: 19 June 2025

Source: https://www.dictionary.com/browse/hot-cargo

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Carriers, ocean lines, and labor unions refer to hot cargo as goods that unionized workers refuse to load, transport, or deliver out of solidarity with striking colleagues or during labor disputes. The refusal constitutes secondary boycott activity and is legally protected union action in many jurisdictions (especially North America, Australia, Scandinavia). Unlike primary strikes (directed at the employer), hot cargo boycotts target neutral third parties—shippers or consignees—to exert pressure. Historical significance: This practice was particularly prominent from the 1960s through the 1980s and remains relevant at ports and air freight terminals when strikes occur among suppliers or within the transport sector.

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