Electrical grounding labels identify earth ground, chassis/frame, and equipotential bonding points on electrical equipment using standardized IEC 60417 graphical symbols — so the connection type is identified consistently regardless of language.
Grounding symbols follow IEC 60417 (graphical symbols for use on equipment) for consistent, language-independent marking. IEC 60417 compliance is referenced by UL product listing, CSA certification, and CE marking under the EU Low Voltage Directive. Consult each standard and your certification body for requirements applicable to your equipment and markets.
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Earth Ground (IEC 60417-5017) marks a connection to the protective earth conductor of the supply system — the path that carries fault current to clear a breaker or fuse. Equipotential (IEC 60417-5021) marks a bonding connection that ties metalwork to the same voltage level to prevent shock hazard between adjacent parts, but it does not provide a fault clearing path. The two symbols are not interchangeable.
Yes. IEC 60417 is the international standard maintained by the IEC for graphical symbols on equipment, including all grounding and bonding marks. Compliance is required or referenced by UL, CSA, and CE marking bodies, making these symbols recognized and enforced across North American and European markets.
