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Portable Appliance Testing (PAT)


What is portable appliance testing……..


Portable appliance testing (PAT) is the term used to describe the examination of electrical appliances and equipment to ensure they are safe to be used. Many safety defects can be found by visual examination. Some types of defects can only be found by testing. However, it is essential to understand that visual examination is an essential part of the process because some types of electrical safety defect cant be detected by testing alone. The frequency of inspection and testing depends upon the type of equipment and the environment it is used in. For example, a power tool used on a construction site should be examined more frequently than a lamp in a hotel bedroom (


Starling and Lock are specialists in the field of Portable Appliance Testing (PAT) and provide a fast, reliable and professional service at great prices to companies, educational institutions, landlords, hotels and many other types of organisations. We also partner with Facilities Management companies and Electrical Contractors who trust us to provide a fully managed service to their clients.


Electrical Testing


We believe that electrical safety testing should be made available to everyone, and we understand that the two major factors in this are cost and the worry of being charged for hidden extras such as call out charges and bills for additional labour. We’re confident that our straightforward pricing structure will set your mind at ease.


We carry out the following types of testing:


Domestic wiring tests

Commercial wiring tests

Agricultural wiring tests

PAT Testing


Periodic inspection explained…


All electrical installations deteriorate with age and use. They should therefore be inspected and tested at regular intervals to check whether they are in a satisfactory condition for continued use.

Such safety checks are commonly referred to as ‘periodic inspection and testing’

Once completed you will be issued with an Electrical Condition Report (EICR).


A periodic inspection will:


Reveal if any of your electrical circuits or equipment are overloaded.

Find any potential electric shock risks and fire hazards.

Identify any defective electrical work.

Highlight any lack of earthing or bonding.

Tests are also carried out on wiring and fixed electrical equipment to check that they are safe. A schedule of circuits is also provided, which is invaluable for a property.


How often is a periodic inspection required?


Your electrics should be inspected and tested every:


10 years for an owner-occupied home.

5 years for a rented home.

3 years for a caravan.

1 year for a swimming pool.

Other times when a periodic inspection should be carried out are:


When a property is being prepared for letting.

Before selling a property or buying a previously-occupied property.

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