Electronics: FCC vs. CE vs. UKCA Compared¶

Q: Can I use my FCC test report for CE Marking?

No. The test standards (ANSI C63.4 vs. CISPR 32), limits, and methodology differ. Your lab can test both in the same session, but separate test reports and compliance dossiers are required.

Q: Is CE Marking accepted in the US?

No. CE Marking has no legal standing in the US. An electronics product must have FCC compliance and practically UL/NRTL certification for the US market, regardless of CE status.

Q: Does a CE DoC satisfy UKCA during the transition period?

Yes — until December 2027. But a UKCA DoC must exist if assessed by a UK Approved Body, and after 2027 UKCA becomes mandatory. Build both now to avoid a documentation scramble.

Electronics is the product category with the most regulatory diversity across the three major Western markets. The US requires FCC and UL. The EU requires CE Marking under the EMC Directive, the Low Voltage Directive (or Radio Equipment Directive for wireless devices), and RoHS substance restrictions. The UK requires UKCA marking — which, for electronics, uses the same technical standards as the EU but requires separate conformity assessment and documentation. And an FCC test report is not valid for CE Marking. A CE Declaration of Conformity is not valid for UKCA.

This guide compares electronics compliance across the US, EU, and UK, and explains how to build multi-market compliance from a single test program and a single set of product data.

Not sure which EMC, safety, and substance regulations apply where? Use the Sustalium Global Compliance Map — select Electronics and toggle between markets to see FCC, CE, and UKCA requirements side by side.

The Three EMC and Safety Frameworks¶

Requirement	United States	European Union	United Kingdom
EMC/radio	FCC Part 15 (Certification or SDoC)	CE Mark under EMC Directive 2014/30/EU or RED 2014/53/EU	UKCA under UK EMC Regulations or UK Radio Equipment Regulations
Safety	UL/NRTL (commercially mandatory)	CE Mark under Low Voltage Directive 2014/35/EU	UKCA under UK Electrical Equipment (Safety) Regulations
Substance restrictions	TSCA (limited), Prop 65 (CA), state PFAS bans	RoHS Directive 2011/65/EU + REACH SVHC	UK RoHS + UK REACH
EMC test standard	ANSI C63.4	CISPR 32 / CISPR 35 (or EN 55032/EN 55035)	BS EN 55032 / BS EN 55035
Labeling	FCC ID on product, UL mark, Prop 65 warning if applicable	CE Mark on product	UKCA Mark on product (CE accepted until Dec 2027)
Responsible party	US-based responsible party on FCC filing	EU-based Authorized Representative	UK-based Responsible Person

FCC vs. CE Mark EMC: Same Physics, Different Testing¶

Both FCC and CE EMC testing measure the same physical phenomenon — electromagnetic emissions. But the test methodology, the specific limits, and the reporting format differ:

Frequency range: FCC Part 15 covers 9 kHz to 40 GHz (device-dependent). CE EMC typically covers 150 kHz to 6 GHz for emissions.
Limits: FCC conducted and radiated emission limits are specified in Part 15 Subpart B. CE limits are specified in CISPR 32 / EN 55032. The limits are numerically different.
Test methodology: FCC testing follows ANSI C63.4. CE testing follows CISPR 16 series. The test setup, measurement procedures, and instrumentation requirements differ.
Reporting: FCC certification requires submission to a TCB and issuance of an FCC ID. CE Marking is self-declared (for most electronics) with no central filing.

In practice, a laboratory can perform FCC and CE EMC testing during the same session using the same test setup, switching between the two test protocols. You receive two separate test reports and maintain two separate compliance dossiers — but the physical testing time is not doubled.

RoHS vs. TSCA: The Substance Restriction Gap¶

The EU RoHS Directive restricts lead, mercury, cadmium, hexavalent chromium, PBBs, and PBDEs in electrical and electronic equipment, plus four phthalates (DEHP, BBP, DBP, DIBP) under RoHS 3. There is no US federal RoHS equivalent. The closest US framework is:

TSCA: The Toxic Substances Control Act regulates chemical substances but does not impose RoHS-style restrictions on finished electronics products. TSCA primarily regulates chemical manufacturing and import, not product composition.
Proposition 65: California's warning requirement applies to lead (solder), phthalates (cables), and cadmium (contacts) in electronics — but it is a warning obligation, not a restriction. A product containing lead solder can be legally sold in California with a Prop 65 warning. That same product cannot be sold in the EU.

For an electronics product sold in all three markets, the practical answer is to design to EU RoHS — use lead-free solder, specify phthalate-free cables and housings, and eliminate the restricted substances from the design. A RoHS-compliant product can be sold in the US and UK without modification. A non-RoHS-compliant product requires redesign for the EU market.

The UK: CE to UKCA Transition¶

For electronics, the UK's post-Brexit transition from CE to UKCA marking has specific timelines:

Until December 2027: CE marking continues to be accepted in Great Britain for most goods, including electronics.
From January 2028: UKCA marking becomes mandatory for goods placed on the GB market.
Northern Ireland: CE marking continues to apply under the Northern Ireland Protocol (UKNI marking may apply for certain goods assessed by UK bodies).

The technical standards are currently identical — BS EN 55032 and BS EN 55035 are the UK-adopted versions of the same CISPR standards used for CE marking. The conformity assessment is the same. The difference is the legal framework: a UKCA Declaration of Conformity cites UK Statutory Instruments (S.I. 2016/1091 for EMC, S.I. 2016/1101 for electrical safety), not EU Directives.

The Multi-Market Electronics Compliance Strategy¶

Design to the strictest standard first. For EMC, design to both FCC and CE limits simultaneously. For substance restrictions, design to EU RoHS. A RoHS-compliant, CE-EMC-compliant design will pass US and UK testing with minimal modification.
Commission multi-standard testing in one lab session. Provide your test laboratory with FCC (ANSI C63.4), CE (CISPR 32/35), and UK (BS EN 55032/35) test protocols before testing begins. One test setup, one session, three reports.
Produce all three certificates from the same test data. The FCC Certification (or SDoC), CE Declaration of Conformity, and UKCA Declaration of Conformity are generated from the same underlying test reports — but each cites different regulations and identifies a different responsible party. A structured compliance platform can generate all three from a single product profile.
Label for all three markets. The FCC ID appears on the product. The CE Mark appears on the product. The UKCA Mark appears on the product (after 2027). The UL/NRTL mark appears on the product. A well-designed product label accommodates all four marks, and a label that is too small requires the compliant fallback of placing marks in the user manual.

How Sustalium Simplifies Multi-Market Electronics Compliance¶

Electronics compliance across the US, EU, and UK generates a minimum of three certificates, three sets of test reports, and multiple chemical compliance documents — all of which must be maintained, renewed, and produced on demand.

Sustalium centralizes multi-market electronics compliance:

Triple certificate generation — Produce your FCC certification/SDoC, CE Declaration of Conformity, and UKCA Declaration of Conformity from the same product data
Multi-standard test report management — Link FCC, CE, and UK EMC test reports to each SKU
RoHS and REACH compliance tracking — Maintain RoHS, REACH SVHC, and UK REACH documentation alongside your EMC and safety certifications
Market-specific labeling support — Ensure your product label, user manual, and packaging meet the labeling requirements for all three markets

One Circuit Board, Three Markets, One Compliance Platform

Your PCB does not know which country it is being sold in. The compliance paperwork should not triple your workload.

With Sustalium, build your multi-market electronics compliance for just €10 per document.

Start Your Multi-Market Electronics Compliance Now →

Frequently Asked Questions¶

Can I use my FCC test report for CE Marking?

No. The test standards, limits, and methodology differ. Your laboratory can test to both standards in the same session, but you need two separate test reports and two separate compliance dossiers.

Is CE Marking accepted in the US?

No. CE Marking has no legal standing in the United States. An electronics product sold in the US must have FCC compliance (and practically, UL/NRTL certification) regardless of whether it also carries a CE Mark for the EU market.

Does a CE Declaration of Conformity satisfy UKCA requirements during the transition period?

Yes — until December 2027, the UK accepts CE marking for most goods. But the UKCA Declaration of Conformity must still exist if the product is assessed by a UK Approved Body, and after the transition period ends, UKCA becomes mandatory. Build both now to avoid a documentation scramble in 2027.

Last updated: July 26, 2026