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PAT Testing

Here at Kelvin Power Tools, we conduct PAT testing on all of the mains-powered tools and electrical equipment we supply.

What is PAT testing?

Portable appliance testing, generally known as PAT testing, is the examination of electrical appliances and equipment to ensure that they are safe to use.

Legal PAT Testing Obligations in the UK

The Electricity at Work Regulations 1989 require that any electrical equipment that has the potential to cause injury is maintained in a safe condition. However, they do not specify what needs to be done, by whom or how frequently.

This means that PAT testing power tools and similar electrical equipment within a company is not a legal requirement; nor is regular testing, keeping records of testing, or labelling tested appliances. However, PAT testing is the most effective way to ensure that regulations are met.

The Health and Safety Executive (HSE), along with insurance companies, will expect you to be compliant with the following regulations:

  • Health and Safety at Work Act of 1974

  • The Electricity at Work Regulations of 1989

  • The Provision and Use of Work Equipment Regulations of 1998

  • The Management of Health and Safety at Work Regulations of 1999

Failure to comply with these regulations can result in the prohibition of work and/or appropriate legal action.

PAT testing at Kelvin Power Tools

We conduct PAT testing on all of the mains-powered tools and electrical equipment we supply; placing a label on each appliance to show that it has passed.

Portable appliance testing requires a great level of knowledge and experience. Here at Kelvin Power Tools, we have:

  • the right equipment to conduct PAT testing

  • the ability to use PAT testing equipment properly

  • the ability to properly understand PAT testing results

Recommended PAT testing frequency

Employers should take a risk-based approach towards PAT testing and consider the type of equipment, what it is used for and how frequently it is used. For example, a power tool used on a construction site should be examined more frequently than a lamp in a hotel bedroom.

The following tables illustrate the recommended frequency of PAT testing for electrical appliances and equipment in industrial and construction companies according to the IET Code of Practice:

Industrial (Workshops, Factories, etc.)

Type of Equipment 

Formal Visual
Inspections

Inspection
& Testing

Formal Visual
Inspections

Inspection
& Testing

                         Class 1
                         Class 2
Stationary  None Every Year None Every Year
IT None Every Year None Every Year
Moveable Every Month Every Year Every 3 Months Every Year
Portable Every Month Every 6 Months Every 3 Months Every 6 Months
Handheld Every Month Every 6 Months Every 3 Months Every 6 Months












Construction Sites

Type of Equipment 

Formal Visual
Inspections

Inspection
& Testing

Formal Visual
Inspections

Inspection
& Testing

                         Class 1
                         Class 2
Stationary  Every Month Every 3 Months Every Month Every 3 Months
IT Every Month Every 3 Months Every Month Every 3 Months
Moveable Every Month Every 3 Months Every Month Every 3 Months
Portable Every Month Every 3 Months Every Month Every 3 Months
Handheld Every Month Every 3 Months Every Month Every 3 Months