How often should PAT testing be done?
This is not an easy answer, but to keep it short - appliances should be tested as often as is necessary to maintain safety; how often is that? That is dependent on an assessment of the risk. Most people, companies, authorities, insurers etc consider annual testing to be the best policy, and it's generally accepted that if you get tested annually that, that is ok, assuming the equipment or use is not high risk. In [...]