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Neutral (N) Wire Color Identification in Robotiq Palletizing Workcells

Clarifying IEC compliance for neutral wire color and labeling in our control cabinet

Context:
Installers and integrators in Europe often ask about the neutral wire color used in Robotiq's control cabinet. This article clarifies how our labeling approach aligns with IEC 60445:2021 requirements.

Information:

  • IEC 60445:2021 recommends blue for neutral when color alone is used.

  • Clause 6.2.2 allows alternatives such as terminal numbering or markings.

  • Robotiq Palletizing Workcell uses consistent, IEC-compliant labeling.

  • Non-blue neutral wires are valid if clearly marked.

Conclusion:
Robotiq's electrical design meets IEC standards and ensures safe, compliant installation.
For any questions, contact our support team.

Updated: August 13, 2026