Sourcing cable fault locators from China
Cable fault locators classified under heading 9030 carry 0% UK duty across the relevant lines for goods from China. For sale in Great Britain, importers must check applicable conformity assessment and importer identification requirements. Cambridge China Bridge sources cable fault locators.
Duty and classification
Heading 9030 covers instruments for measuring or checking electrical quantities. Cable fault locators within this heading need classification by their actual function, telecommunications use and recording capability. The table gives candidate lines, rather than a single code for every locator.
Read from the UK Trade Tariff on 30 September 2026, all listed lines carried 0% duty for goods from China. The supplied tariff extract lists no anti-dumping or countervailing duties, suspensions or attached import controls for these lines.
Give your customs broker the operating principle, intended cables, measured quantities and recording functions. Confirm the commodity code before ordering. The wider electrical test instruments guide covers related instruments.
| Goods | Commodity code | Duty | Anti-dumping or countervailing duty on China |
|---|---|---|---|
| Cable fault locators specially designed for telecommunications | 9030 40 00 00 | 0% | None |
| Other electrical fault-locating instruments with a recording device | 9030 84 00 00 | 0% | None |
| Other electrical fault-locating instruments without a recording device | 9030 89 00 00 | 0% | None |
| Parts and accessories for heading 9030 instruments | 9030 90 00 00 | 0% | None |
Specify the cable and fault-finding method
Specify whether you need pulse-reflection distance measurement, resistance-based fault location or a system combining pre-location and pinpointing. Identify the cable construction, intended fault types, distance range, distance accuracy, propagation-velocity adjustment and connection accessories. Agree whether the equipment is intended only for isolated cables, and what protection supports its stated input rating.
For equipment subject to electromagnetic compatibility rules in Great Britain, importers must check the manufacturer's conformity assessment and provide importer identification. Electrical equipment within the safety regulations' scope also needs safety compliance. Ask for evidence covering the exact instrument, charger and leads. These Great Britain checks should not be treated as clearance for other markets.
Check whether hazardous-substance restrictions apply to the model and obtain supporting evidence where they do. Confirm with the relevant authority whether electrical waste obligations apply to the supplied instruments. Use testing and certification support to review the evidence against the supplied configuration.
Worked duty example
Illustrative example, not a quote: Illustrative batch of telecommunications cable fault locators under 9030 40 00 00, invoiced at £26,000 free on board, with £1,200 of freight and insurance to the UK. The customs value is £27,200. Duty at 0% is £0. Import VAT at 20% is charged on the customs value plus duty, £27,200, so it is £5,440. With no duty, the only import tax is the VAT, which a VAT-registered importer can usually reclaim. The import duty and VAT guide explains each step.
Inspection checklist
Distance measurement: test known cable lengths and prepared open-circuit, short-circuit and resistive faults; compare displayed distances with the agreed tolerance after setting the cable's propagation velocity.
Safety and connections: match input ratings, protection, connectors, leads and charger to the approved sample and supporting test reports; confirm the operating restrictions are clear.
Records and instructions: verify saved traces, export functions and serial-number matching where specified. Equipment subject to electromagnetic compatibility rules must have relevant instructions in English.
Arrival condition: check the case, display, battery compartment and accessory inventory; repeat functional checks on arrival. Include these tasks in the inspection brief.
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What goes wrong
An incorrect propagation-velocity setting shifts the reported fault distance. Cable joints and branches can produce reflections that resemble faults, while a locator demonstrated on an open circuit may perform poorly on a resistive fault. Approve samples using the cable constructions and fault types you actually need to diagnose.
Accessories and software can undermine an otherwise usable instrument: unsuitable connectors, noisy leads, unreadable saved traces or missing English instructions. List the supplied accessories and agreed file-export behaviour in the order, then check the delivered configuration against that list.
Cambridge China Bridge sources these products for UK businesses, checking the factory and the documents before shipment. See factory verification. For components and parts, see sourcing for manufacturers.
Frequently asked questions
What is the UK import duty on cable fault locators from China?
The relevant heading 9030 lines carry 0% duty in the supplied tariff extract, with no listed anti-dumping or countervailing duty. Confirm the code for the exact model.
Which commodity code applies to a cable fault locator?
It depends on the measured quantities, telecommunications purpose and recording capability. Give your broker the manual and technical specification rather than relying on the product name.
How should I check fault-location accuracy?
Use known cable lengths and prepared faults on your intended cable types. Set propagation velocity correctly, then compare the displayed distance with the agreed tolerance.
Can I use the locator on live cables?
Do not assume so. Specify the intended operating conditions and check the manufacturer's instructions, input rating and supporting safety evidence before accepting the model.