How to Troubleshoot Leakage Current in Solar Street Lights

KNOWLEDGE CENTER · INSTALLATION & MAINTENANCE

How to Troubleshoot Leakage Current in Solar Street Lights

Leakage current can indicate moisture, damaged insulation, wiring errors or measurement misunderstanding. Safety isolation and a controlled test sequence are essential.

Reviewed by Wilsolar Technical Team · Updated September 2026 · Engineering guidance

Key Engineering Considerations

  • De-energize and secure the installation before intrusive tests.
  • Inspect water entry, cable abrasion, crushed insulation and contaminated connectors.
  • Use instruments rated for the circuit and follow the equipment instructions.
  • Separate components methodically to locate the affected branch.

Recommended Workflow

  1. Confirm the symptom and measurement reference.
  2. Isolate panel, battery, controller, driver and auxiliary circuits.
  3. Inspect and test each branch without bypassing protection.
  4. Repair the cause, restore sealing and repeat commissioning tests.

Documentation and Acceptance

Define measurable requirements before selecting equipment. Datasheets, drawings, calculations, test reports and inspection records should identify the exact model and supplied configuration. When local codes, tender specifications or safety rules apply, engage qualified professionals in the destination market.

Important: This article provides general planning guidance. Final design values, product performance, compliance and warranty conditions must be confirmed in the approved proposal and contract.

Frequently Asked Questions

Can leakage be ignored if the light still works?

No. It may be a shock, fire, corrosion or premature-failure warning.

What is the first field check?

Look for moisture and damaged insulation, then follow a safe isolation plan.

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