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What is ‘portable electrical equipment’?
This refers to items that can be moved and connected and disconnected from an electrical supply. They generally have a cable lead and a plug.
Common portable electrical equipment includes laptops, desktop computers, drills, kettles, heaters, fans, lamps, microwaves, toasters, radios, TVs, projectors, printers, hair dryers (including wired-in versions), extension leads, multi-way adaptors, connector leads and mobile phone charging equipment.
Larger equipment like fridges, photocopiers, water coolers, vending machines, washing machines and cookers are also included.
Water boilers that are wired in, mobile phones and battery-operated equipment are not included.
Portable electrical equipment falls into two categories: Class I and Class II, depending on the type of protection they offer the user. Both require PAT tests to ensure safety is maintained but are tested in different ways.
What are the Different Types of PAT Testers?
PAT testing equipment has various levels of functionality. Basic PASS/FAIL kits are very easy to use and relatively inexpensive. They are the preferred choice for a range of businesses, clearly indicating whether an item of electrical equipment has passed or failed. Mains-powered testers require connection to an electrical supply. However, the self-contained battery versions are ideal for large workplaces due to their portability and ease of use. They commonly feature basic light systems that indicate whether electrical items have passed or failed the test.
Basic PAT testing equipment also allows for the establishment of:
- Earth continuity
- Insulation resistance
- Polarity
Basic PAT testers don't display the complete set of electrical test results, and neither do they allow for test configuration or data storage. However, they are often the best choice for obtaining electrical test results quickly and easily.
Advanced PAT testing kits offer the following types of functionality:
- Portable RCD lead testing
- Adjustable PASS test limits
- Substitute and mains powered leakage testing
- Fuse testing
- Lead polarity testing
While a 500V insulation test voltage is typical and suitable for a number of appliances, many PAT testers now include the option of a 250V insulation resistance test. This is essential for testing sensitive and surge-protected equipment, such as IT hardware.
Advanced PAT testing kits are suitable for users with a high level of technical knowledge and expertise. These advanced systems are particularly well suited to facilities management, as they allow for the recording of the location and test status of equipment and appliances. Some of these systems can also transfer the test results to computers for digital interpretation. Test records can be maintained with PAT software.
What is a PAT test certificate?
A PAT test certificate is provided to a business owner by the PAT testing specialist, such as phs Compliance, after their portable appliances have been tested. It can be used to prove compliance to regulators, insurers, customers and staff.
Unless you have a very good understanding of the workings of electrical equipment, and the relevant training to be able to use and fully understand portable appliance testers, it is not recommended that you carry out your own PAT test. It could put you, your business and other users at risk. Always seek a fully qualified and experienced professional to carry out the testing.
Putting your electrical safety in the hands of a professional service like phs Compliance gives you the peace of mind that you are fully complying with all of the regulations, as well as keeping your business, visitors and staff safe.