TESTING & SAFETY
IEC 60364-1 — Low-Voltage Electrical Installations
Fundamental principles for installation design, selection, erection, verification, safety, and proper functioning.

When it matters
It matters when batteries, chargers, or storage equipment become part of a building or facility installation governed by low-voltage rules.
Key considerations
- Addresses installations rather than battery certification.
- National wiring rules may supplement IEC requirements.
- Protection, earthing and isolation require coordinated design.
Project preparation
- Define supply, load, earthing and boundaries.
- Coordinate devices, cables and isolation.
- Plan documented initial verification.


