DECMS
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  1. ✓Find scope
  2. 2Governing rule
  3. 3Resolve conflicts
  4. 4Verify equipment

Step 2: Read the governing requirement. On the feature page, start with the Most Restrictive Requirement, then review applicable standards and the lead authority.

Full guideNext: Resolve conflicts →
← Standards
IEC · IEC · International

IEC 61439

Low-Voltage Switchgear Assemblies

Low-Voltage Switchgear Assemblies. Governs electrical requirements for defense energetics facilities.

Current edition: 2018Official source ↗

Applies to Features of Work (0)

  • Not directly mapped to a Feature of Work.

Required for Equipment (1)

Crosswalk

NEC Art. 409↔IEC 61439Control panel assembliesPartial