Compliance Services

PAT Testing

McLennan Compliance offers a Portable Appliance Testing (PAT) service tailored to the individual needs of your business. PAT is the term used to describe the examination of electrical appliances and equipment to ensure they are safe to use.

Why do you need Portable Appliance Testing?

The Electricity at Work Regulations 1989 and ‘Code of Practice for In-Service Inspection and Testing of Electrical Equipment – 4th Edition’ require that any electrical equipment that has the potential to cause injury is maintained in a safe condition. Risk based testing of appliances, based on the ‘Code of Practice’ and HSE Guidelines, is commonplace and is driven by insurance companies and company policies.

We understand that anything that needs to be done on a regular, prescribed basis and does not interfere with the day to day running of the business can be easily overlooked. This is why we will manage your testing services for you, sending out timely reminders that the renewal date is fast approaching.

Upon completion, the test certificates can be e-mailed or posted to you and then added to our renewals database for the following programme to be scheduled.


How often should PAT Testing be completed?

The following are the recommended frequencies for PAT Testing which are usually requested by insurance companies & company policies.

Offices, Shops and Hotels – Class 1 equipment including stationery and IT equipment should be tested every 48 months. Moveable equipment such as extension leads and portable equipment should be tested every 24 months. Handheld equipment should be tested every 12 months.

Schools – All Class 1 equipment in schools should be PAT tested every 12 months. Class 2 equipment should be tested every 48 months.

Public Use Equipment – Stationery and IT equipment such as computers should be tested every 12 months. Moveable, Portable and Handheld equipment falling into Class 2 should be tested every 12 months. Moveable, Portable and Handheld equipment falling into Class 1 should be tested every 6 months.

Construction – All 110V equipment used on construction sites should be tested every 3 months.

Industrial – All industrial sites, including commercial kitchens should have Portable and Handheld equipment tested every 6 months. Stationery, IT and Moveable equipment should be tested every 12 months.



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