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Standards / project applicability
Use standards as project review inputs.
Keep jurisdiction, documentation and responsible-engineer confirmation visible.
Live calculation · retained project context · engineer review
Standards & compliance
Standards are inputs to the review—not automatic proof.
Solar Tools makes technical assumptions visible. The applicable edition, jurisdiction, product evidence and final project design remain subject to the responsible engineer and destination-market requirements.
| Review area | Common reference | What must still be confirmed |
|---|---|---|
| PV string configuration | IEC 62548 / local PV installation rules | Module/inverter limits, string voltage, overcurrent protection, isolation and installation design. |
| PV DC surge protection | IEC 61643-31 / lightning-risk design | SPD type, Ucpv, discharge capability, conductor routing and earthing arrangement. |
| PV cable route | IEC 60364-5-52 / local wiring rules | Installation method, ambient and grouping correction, insulation class, voltage drop and termination. |
| Switchgear and assemblies | IEC 61439 series / destination-market requirements | Assembly verification, temperature rise, short-circuit duty, internal separation and documents. |
Important: A calculated pass is not a compliance certificate. Confirm the current standard edition, local authority requirements, product documentation and project-specific engineering before release.
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