PAT Testing FAQs

Find the most popular PAT testing FAQs and answers here.

Being the market leaders in PAT testing we thought we would share our wealth of knowledge with you by asking like-minded PAT professionals for any PAT testing FAQs they may want us to answer. We've also listened to PAT testing professionals in forums and social media groups and taken their most frequently asked questions and answered them below. If you can't find the answer to your PAT testing question below, please complete the form on this page and we will get back to you.

PAT Testing FAQs

What is PAT Testing?

Why do we PAT test?

How do we PAT Test?

Are wired appliances part of PAT testing?

How do you PAT test fixed appliances?

How do you PAT test a long extension lead?

How do you PAT test Class I equipment with no exposed metal parts?

What are the legal requirements for PAT in Scotland?

What are the different classes and how to determine what class an appliance is?

Are PAT tests required for 3 phase machines and how are they carried out?

Do you PAT test extra low voltage items such as laptops & mobile phone chargers?

What are the recommended PAT testing frequencies?

How do you become a 'Competent' PAT tester?

Who decides the limits for set test results on the testers?

What's the difference between PAT testing & testing medical devices?

How do you complete just a visual test?

How do you test plug in RCDs or RCD protected extension leads?

Does my PAT tester need to be calibrated yearly?

How do you PAT test equipment with an electronic on/off switch?

What is substitute leakage testing?

How do I PAT test in rented properties?

What are the rules on record keeping for those undertaking the testing?

What is a PAT test certificate?

How do I PAT test a laptop?

How do I PAT test a laptop charger?

How do I PAT test a microwave?

How do I PAT test Christmas tree lights?

How do I PAT test IEC/Kettle leads?

How do I PAT test 3 phase equipment?

How do I PAT test a fridge?

PAT Testing Frequency

How do I test a laptop power supply?

How do I test a class I appliance if it does not have any accessible metal earthed parts to make a connection with my lead?

How would I test IT equipment safely without causing any damage?

When performing a leakage test on a server with a PrimeTest 100, why does it produce a failure result, and what is the leakage current for IT equipment?

How do I PAT test power tool chargers and mobile phone chargers?

When testing a long cord with a PrimeTest 250, the test fails. Which is the best way to test this type of product?

How do I test electric cookers connected by twin & earth cable?

PAT Testing in Schools

How do I test RCD’s if my tester does not have the option to do so?

When trying to pat test computers, I always get a fail on the earth leakage test.

How do I check a Class II appliance if there are no exposed metal parts?

Why am I receiving an ‘’OPEN’’ failure when performing an IEC lead test?

I have a Seaward 250+ Tester, I have been asked to pat test a collection of 110v Equipment.

Class 1 appliance failed insulation test

110V Extension Reels

Apollo 600 O/C Fail Help

How do I test a figure of eight lead?

Is it safe to test IT equipment with the IT setting on my tester?

My PrimeTest 350 will not power on, even when I change the batteries, what should I do?

How would I PAT test a Class I kettle correctly?

Is it necessary to test servers and IEC cables in server rooms?

How do I use the Apollo checkbox and how often should I use it?

How do I locate the serial number on my PrimeTest?

Why should I PAT test?

Reasons to PAT test

I have used the IEC lead test to test an appliance that contains a double switched socket connected to lights and a dimmer switch that switches on a fan.

How to PAT test a 110V transformer

PAT Testing Medical Equipment

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