Portable Appliance Testing (IET C.O.P 4)

Introduction. What is PAT Testing, why do we need it, who can do it and what are the legal requirements?

Part Two – The Requirements. IET Code of Practice version 4. The range of checks. Equipment Classes. Appliances to be tested (portable and fixed), what electrical equipment falls under the realm of Portable Appliance Testing.

Part Three – Combined Inspection and Test.Suggested user checks. Minimum requirements for maintenance checks.

Part Four – Test Instruments. Minimum test requirements for an instrument. Additional test options. Functions of the tester we are using.

Part Five –Testing Class I appliances. Verifying test leads. Visual examination. Verifying the class of appliance. Earth Bond Test (Earth Continuity).Insulation Resistance Tests.

Part Six – Differential Earth Leakage Test. A look at the use of this optional test.

Part Seven – Lead Compensation. Taking into consideration the effect of long power leads on certain tests.

Part Eight – Testing Class II appliances. Verifying that the equipment is Class II. Visual Inspection.Insulation Resistance Test.Differential Leakage Functional Test. Load Test.

Part Nine – Testing Extension Leads. Consideration for Voltage Drop/maximum lengths of extension leads. Importance of checking every gang.Polarity Test. Earth Bond Test. Insulation Resistance Test.

Part Ten – Testing portable RCDs.Tests both manual and automatic tests as required by the wiring regulations.

Part Eleven – Fixed Hardwired Appliances.How to test these appliances using a Portable Appliance Tester. Safety considerations.

Part Twelve – Microwaves. Highlights electrical tests and not microwave hazards.

Part Thirteen – Flash Testing. When to use this high level test.

Part Fourteen – Labelling, Recording, Results and Retesting. The latest requirements of the IET COP4 discussed.