Compliance Crosswalk

U.S. ↔ European Requirements

Where European-designed equipment and designs must be reconciled with U.S. codes before approval.

Similar

Partial

Significant Difference

Compatibility

Conflict level

U.S. Requirement	European Requirement	Topic	Compatibility	Conflict	Resolution
NFPA 70	IEC 60364	Low-voltage installations	Partial	Medium	Partial alignment; supplemental U.S. testing or documentation required.
ASME BPVC VIII-1	EN 13445	Pressure vessel design	Partial	Medium	Partial alignment; supplemental U.S. testing or documentation required.
NEC Art. 500	2014/34/EU	Hazardous area equipment	Significant Difference	High	Fundamental differences; requires AHJ/NRTL review and likely redesign or re-certification.
AISC 360	EN 1993	Structural steel design	Similar	Low	Requirements broadly equivalent; document equivalency in design analysis.
NEC Art. 505	IEC 60079-14	Zone installations	Similar	Low	Requirements broadly equivalent; document equivalency in design analysis.
UFC 3-340-02	EN 1991-1-7	Accidental explosion loads	Significant Difference	High	Fundamental differences; requires AHJ/NRTL review and likely redesign or re-certification.
NFPA 68	DIN EN 14491	Dust explosion venting	Partial	Medium	Partial alignment; supplemental U.S. testing or documentation required.
NFPA 69	DIN EN 14373	Explosion suppression	Partial	Medium	Partial alignment; supplemental U.S. testing or documentation required.
NFPA 654	VDI 2263	Combustible dust	Partial	Medium	Partial alignment; supplemental U.S. testing or documentation required.
NFPA 13	DIN EN 12845	Sprinkler design	Significant Difference	High	Fundamental differences; requires AHJ/NRTL review and likely redesign or re-certification.
NFPA 72	DIN EN 54	Fire detection	Partial	Medium	Partial alignment; supplemental U.S. testing or documentation required.
NFPA 780	DIN EN 62305	Lightning protection	Partial	Medium	Partial alignment; supplemental U.S. testing or documentation required.
ASME B31.3	EN 13480	Process piping	Partial	Medium	Partial alignment; supplemental U.S. testing or documentation required.
IEC 61511	DIN EN ISO 13849-1	Safety control systems	Partial	Medium	Partial alignment; supplemental U.S. testing or documentation required.
29 CFR 1910.119	1999/92/EC	Process safety / workplace explosion	Significant Difference	High	Fundamental differences; requires AHJ/NRTL review and likely redesign or re-certification.
NEC Art. 409	IEC 61439	Control panel assemblies	Partial	Medium	Partial alignment; supplemental U.S. testing or documentation required.
UL 508A	IEC 60204-1	Industrial machinery electrical	Partial	Medium	Partial alignment; supplemental U.S. testing or documentation required.
IEEE 1584	IEC 61482	Arc flash	Significant Difference	High	Fundamental differences; requires AHJ/NRTL review and likely redesign or re-certification.
ACI 318	EN 1992	Concrete design	Similar	Low	Requirements broadly equivalent; document equivalency in design analysis.
ASCE 7	EN 1990	Load combinations	Partial	Low	Partial alignment; supplemental U.S. testing or documentation required.
UFC 3-310-04	EN 1998	Seismic design	Partial	Medium	Partial alignment; supplemental U.S. testing or documentation required.
ASME BPVC IX	EN ISO 15614	Weld procedure qualification	Similar	Low	Requirements broadly equivalent; document equivalency in design analysis.
NEC Art. 250	DIN VDE 0100	Grounding and bonding	Partial	Medium	Partial alignment; supplemental U.S. testing or documentation required.
UFC 4-010-06	IEC 62443	OT cybersecurity	Partial	High	Partial alignment; supplemental U.S. testing or documentation required.
NFPA 77	IEC TS 60079-32-1	Static electricity	Similar	Low	Requirements broadly equivalent; document equivalency in design analysis.
NFPA 496	IEC 60079-2	Pressurized enclosures	Similar	Low	Requirements broadly equivalent; document equivalency in design analysis.
NFPA 101	DIN EN 1838	Egress and emergency lighting	Partial	Medium	Partial alignment; supplemental U.S. testing or documentation required.
NEC Art. 506	IEC 60079-10-2	Dust zone classification	Similar	Low	Requirements broadly equivalent; document equivalency in design analysis.
NFPA 20	EN 12845 Pump Clause	Fire pumps	Significant Difference	High	Fundamental differences; requires AHJ/NRTL review and likely redesign or re-certification.
ASME Sec. VIII UG-125	EN ISO 4126	Pressure relief	Partial	Medium	Partial alignment; supplemental U.S. testing or documentation required.
UFC 4-020-01	IEC 60079-14	Motor efficiency	Partial	Medium	Partial alignment; supplemental U.S. testing or documentation required.
UFGS 21 13 18	2014/34/EU	Cable sizing	Partial	Low	Partial alignment; supplemental U.S. testing or documentation required.
UFGS 40 05 13	DIN EN 1127-1	Conduit systems	Significant Difference	High	Fundamental differences; requires AHJ/NRTL review and likely redesign or re-certification.
NFPA 70	DIN EN ISO 13849-1	Enclosure ratings	Similar	Low	Requirements broadly equivalent; document equivalency in design analysis.
NFPA 654	EN 1993	Emergency stop circuits	Partial	Medium	Partial alignment; supplemental U.S. testing or documentation required.
29 CFR 1910.109	VDI 3783	Terminal marking	Partial	Low	Partial alignment; supplemental U.S. testing or documentation required.
40 CFR 63	EN 764-7	Wire color coding	Significant Difference	High	Fundamental differences; requires AHJ/NRTL review and likely redesign or re-certification.
ASME PCC-2	IEC 61511	Voltage levels	Similar	Low	Requirements broadly equivalent; document equivalency in design analysis.
IEEE 142	IEC 60079-14	Transformer design	Partial	Medium	Partial alignment; supplemental U.S. testing or documentation required.
UFGS 22 05 00	2014/34/EU	Switchgear testing	Partial	Low	Partial alignment; supplemental U.S. testing or documentation required.
UFGS 33 11 00	DIN EN 1127-1	Instrument air	Significant Difference	High	Fundamental differences; requires AHJ/NRTL review and likely redesign or re-certification.
UFC 4-422-01	DIN EN ISO 13849-1	HVAC duct design	Similar	Low	Requirements broadly equivalent; document equivalency in design analysis.
UFC 3-810-01N	EN 1993	Exhaust stacks	Partial	Medium	Partial alignment; supplemental U.S. testing or documentation required.
NFPA 2001	VDI 3783	Noise limits	Partial	Low	Partial alignment; supplemental U.S. testing or documentation required.
UFC 3-410-01	EN 764-7	Vibration	Significant Difference	High	Fundamental differences; requires AHJ/NRTL review and likely redesign or re-certification.
UFGS 13 34 19	IEC 61511	Fire doors	Similar	Low	Requirements broadly equivalent; document equivalency in design analysis.
UFGS 25 05 11	IEC 60079-14	Fire dampers	Partial	Medium	Partial alignment; supplemental U.S. testing or documentation required.
NFPA 68	2014/34/EU	Smoke control	Partial	Low	Partial alignment; supplemental U.S. testing or documentation required.
NFPA 101	DIN EN 1127-1	Water supply	Significant Difference	High	Fundamental differences; requires AHJ/NRTL review and likely redesign or re-certification.
NFPA 850	DIN EN ISO 13849-1	Hydrant spacing	Similar	Low	Requirements broadly equivalent; document equivalency in design analysis.
40 CFR 68	EN 1993	Hazardous waste labeling	Partial	Medium	Partial alignment; supplemental U.S. testing or documentation required.
ASME B31.1	VDI 3783	Air quality	Partial	Low	Partial alignment; supplemental U.S. testing or documentation required.
NEC Art. 700	EN 764-7	Wastewater discharge	Significant Difference	High	Fundamental differences; requires AHJ/NRTL review and likely redesign or re-certification.
UFGS 08 34 63	IEC 61511	Crane design	Similar	Low	Requirements broadly equivalent; document equivalency in design analysis.
UFGS 28 31 76	IEC 60079-14	Lifting gear	Partial	Medium	Partial alignment; supplemental U.S. testing or documentation required.
UFGS 01 35 26	2014/34/EU	Ladders and platforms	Partial	Low	Partial alignment; supplemental U.S. testing or documentation required.
UFC 3-230-01	DIN EN 1127-1	Guarding	Significant Difference	High	Fundamental differences; requires AHJ/NRTL review and likely redesign or re-certification.
NFPA 497	DIN EN ISO 13849-1	Lockout tagout	Similar	Low	Requirements broadly equivalent; document equivalency in design analysis.
UFC 4-010-01	EN 1993	Confined space	Partial	Medium	Partial alignment; supplemental U.S. testing or documentation required.
UFC 3-550-01	VDI 3783	Battery rooms	Partial	Low	Partial alignment; supplemental U.S. testing or documentation required.
UFGS 26 05 00	EN 764-7	UPS systems	Significant Difference	High	Fundamental differences; requires AHJ/NRTL review and likely redesign or re-certification.
NFPA 400	IEC 61511	Generator testing	Similar	Low	Requirements broadly equivalent; document equivalency in design analysis.
NFPA 20	IEC 60079-14	Grounding grids	Partial	Medium	Partial alignment; supplemental U.S. testing or documentation required.
NFPA 496	2014/34/EU	Surge protection	Partial	Low	Partial alignment; supplemental U.S. testing or documentation required.
29 CFR 1910.1000	DIN EN 1127-1	Cathodic protection	Significant Difference	High	Fundamental differences; requires AHJ/NRTL review and likely redesign or re-certification.
ASME BPVC VIII-1	DIN EN ISO 13849-1	Steel connections	Similar	Low	Requirements broadly equivalent; document equivalency in design analysis.
NEC Art. 506	EN 1993	Anchor bolts	Partial	Medium	Partial alignment; supplemental U.S. testing or documentation required.
UFGS 03 30 00	VDI 3783	Concrete testing	Partial	Low	Partial alignment; supplemental U.S. testing or documentation required.
UFGS 26 13 00	EN 764-7	Welding inspection	Significant Difference	High	Fundamental differences; requires AHJ/NRTL review and likely redesign or re-certification.
UFGS 44 11 00	IEC 61511	NDT methods	Similar	Low	Requirements broadly equivalent; document equivalency in design analysis.
UFC 3-401-01	IEC 60079-14	Hydrotest	Partial	Medium	Partial alignment; supplemental U.S. testing or documentation required.
NFPA 15	2014/34/EU	Leak testing	Partial	Low	Partial alignment; supplemental U.S. testing or documentation required.
UFC 3-600-01	DIN EN 1127-1	SIL calculation	Significant Difference	High	Fundamental differences; requires AHJ/NRTL review and likely redesign or re-certification.
UFC 3-575-01	DIN EN ISO 13849-1	Alarm management	Similar	Low	Requirements broadly equivalent; document equivalency in design analysis.
UFGS 21 30 00	EN 1993	Emergency lighting	Partial	Medium	Partial alignment; supplemental U.S. testing or documentation required.
DESR 6055.09	UK ER 2014	Explosives separation distances	Significant Difference	High	UK uses HSE separation tables by hazard type; apply the more restrictive distance per exposure and document both.
DESR 6055.09	SprengG	Explosives licensing and storage	Partial	High	German storage groups map loosely to HD; host-nation licensing is required in addition to DDESB site plan.
DESR 6055.09	2. SprengV	Storage separation distances	Partial	High	Compare Lagergruppe distances to DESR QD; use larger value.
NIST SP 800-82 Rev 3	IEC 62443-3-3	Control system cybersecurity	Similar	Low	Map NIST controls to 62443 SRs; target SL2 minimum for SIS networks.
UFC 4-010-06	IEC 62443-3-3	Facility control system security	Partial	Medium	UFC requires DoD RMF authorization; 62443 certification alone does not satisfy ATO.
40 CFR 70	2010/75/EU	Air emissions permitting	Partial	Medium	IED requires BAT conclusions; Title V does not. Prepare BAT assessment for EU sites.
29 CFR 1910.119	2012/18/EU	Major hazard / process safety	Partial	Medium	Seveso requires public safety report and land-use planning beyond PSM.