Electrical Safety Certificates Durham


If you let property, you must ensure that the electrical system and all appliances supplied are safe.

TNC Electrical Services will:

  • Do a visual inspection of the electrical installation
  • Check the continuity of (CPC) and Earth conductors
  • Check the continuity of the ring circuits
  • Check polarity
  • Check insulation resistance of conductors
  • Check Earth loop impedance test to determine the quality of your earthing
  • Test of RCDs to check that they do trip at the correct time and current rating
  • Functional switching and Isolation, to insure the switches actually switch the live conductor and not the Neutral

We will provide you with a full electrical check up and certification on your properties wiring and electrical appliances to ensure you comply with the current laws.

Please call us at your convenience for a free, no obligation estimate.


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