The US FCC aims to introduce a ban on companies that use certain Chinese tech and equipment from building submarine communication cables that connect to the US
proposed new rules would ‘secure cables against foreign adversaries’ Michael Kan / PCMag : FCC Moves To Ban Chinese Tech From Undersea Fiber Cables Joe Warminsky / The Record : FCC wants to ban Chinese tech from undersea cables Times of India : US telecom security: FCC plans ban on undersea cables with Chinese tech; firms like Huawei, ZTE under fire Sam Meredith / CNBC : Meta and Google are laying a web of globe-spanning subsea cables. We found out what's involved Rob Thubron / TechSpot : FCC moves to ban Chinese tech from undersea cables Sudhi Ranjan Sen / Bloomberg : Quad Countries Discuss Submarine Cable Security as Threats Rise David Shepardson / Reuters : US aims to ban Chinese technology in undersea telecommunications cables Dean Daley / MobileSyrup : Telus gets approval to lay North Shore submarine fibre cable
Context & Ripple Effects
The proposal extends an established FCC approach: it had already barred subsidy-funded purchases of Huawei and ZTE equipment in US telecom networks. The focus now shifts from terrestrial network gear to the physical links carrying international traffic.
Concern over cable security has been building around the companies that build, operate, and repair these systems; US officials had raised tampering concerns involving China-owned cable-repair ships with Google, Meta, and others. That makes supplier eligibility, not just cable-route approval, a central policy lever.
First-order effects
- Companies using specified Chinese technology or equipment would be unable to build submarine communications cables connecting to the US if the FCC adopts the proposed rules.
- Huawei, ZTE, and cable projects dependent on their equipment would face reduced access to US-linked cable work; project sponsors would need to document and potentially revise their supply chains.
Second-order effects
- Cable owners and major capacity buyers, including Google and Meta, would have stronger incentives to select non-Chinese equipment and construction partners earlier in project planning.
- The rule would reinforce route and vendor decisions already visible when Google and Facebook removed Hong Kong from a proposed Pacific cable route, making compliance and geopolitical exposure more material to cable design.
Third-order effects
- If replicated across allied markets, security screening could segment the subsea-cable supply chain into competing vendor ecosystems rather than a single globally interchangeable market.
- Control over cable infrastructure is increasingly treated as a strategic-infrastructure issue: private platforms may remain major buyers, but their buildouts will operate within national-security constraints.
The trend: Subsea connectivity is becoming a strategic infrastructure domain in which vendor provenance and geopolitical alignment shape who can build and operate global networks.