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Oxidised Electrical Contacts

This web page describes:

  • What oxidised contacts are.
  • What problems oxidised contacts cause.
  • How to fix oxidised contacts.

What Oxidised Contacts Are

Oxidised contacts are when the copper electrical contacts of bulb holders react with oxygen in the air and become discoloured.


Oxidised electrical contacts


What Problems Oxidised Contacts Cause

The oxidisation of electrical contacts can prevent electrical connection between a bulb and its electrical supply. Oxidisation of electrical contacts can cause lights not to light or flickering lights.

How To Fix Oxidised Contacts

To fix an oxidised electrical contact:

  • Turn the electrical supply to the light off.
  • Scrape the electrical contact with a screwdriver to remove the oxidisation; electrical contacts should be copper in colour.

How to fix oxidised electrical contacts


Judge Electrical Limited
15 Mulberry Court, Huntington, York, YO32 9TU
Telephone 01904 764845 (Landline), 07919 033113 Mobile)
Email info@judgeelectrical.co.uk
VAT No. 852917405. Company Number 6359328