Portable appliance testing (or PAT) is a regular in-service testing, which should be carried out on all electrical appliances supplied by a plug socket. The frequency of testing depends upon the environment where the equipment is installed and/or used, who uses it and how likely they would be to report any damage, its construction and whether it is fixed or handheld equipment.
Why you should care First of all, PAT can considerably reduce the risk of electrocution and electrical fires, and therefore, contribute to the electrical safety in your workplace. From the legal point of view, the combination of:
If you are interested in having your appliances thoroughly tested with the use of high quality testing equipment, please do not hesitate to get in touch. It would be really helpful if your enquiry included an estimate of number of appliances requiring testing. In addition to receiving a PAT certificate, you will receive detailed test results to prove testing has been satisfactorily carried out.
IEC leads (C13 / C15 with a power plug), extension leads and extensions are tested separately. This means that they count as separate appliances. For example, a typical PC setup (PC screen and case) is made of 4 appliances (PC screen, IEC lead for the screen, case, IEC lead for the case) – provided that each part has its own IEC lead.