Colwis Corporation

Harmony with Nature

Test Lab


Our company provides a wide range of electrical testing and verification services for projects of all types and sizes. We use only certified equipment from leading manufacturers. Our Services include:

  • Electrical Inspection & Testing of Buildings

  • Thermographic Surveys

  • LV, MV and HV Cable Insulation and Resistance Testing

  • Underground Cable Route Tracing and Fault Locations

  • Full range of PV Systems Tests and Performance Analysis

  • Complete Acceptance and Maintenance Testing of Multi Megawatts Solar Farms

  • Transformer and Switchgear Tests, Power Factor Testing (Doble)

  • Transformer Oil Sampling and Analysis

  • Grounding Systems Tests

  • Mechanical Inspections

  • Electrical Audit for Generating Plants

  • Comprehensive Operations and Maintenance Programs

  • And More