In the UK, PAT testing covers a range of tests including:
- Earth resistance test
- Earth continuity test
- Insulation resistance test
- Polarity check
- Safety switch test
How Does PAT Testing Work?
Some of the tests are visual - checking the condition of cables and the device being tested, for instance. Other tests require the use of computerised testing equipment which monitor the flow of electricity within the item and provide readings as to the safety of the device.