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What does a PAT Test actually check for?
A Portable Appliance Test (PAT Test) consists of two parts a visual check and a electrical test.
Every item will received the checks below if applicable

​Visual Test

  • Cracks or sign or burning

  • Chemical damage

  • Corrosion

  • Appliance obstruction (Stop overheating)

  • Correct fuse rating

  • Check Item isn't in in the wrong position or environment

  • Check for obvious signs of overheating

  • Ensure the casing around the appliance is fastened correctly

  • Check the appliance has a rating plate

  • Check the mains cable

  • Check switches

  • Insulated pins

  • correctly wired

  • Ensure that the terminations are tight.

  • Check the pin plugs are not bent or damaged.

​Electrical test:

  • Earth Continuity

  • Insulation Resistance 

  • Substitute Leakage

  • Protective Earth Conductor Current 

  • Touch Current 

  • Voltage/Frequency Measurement

  • Load Measurement

  • Earth Loop Resistance

  • Trip Time

  • IEC Lead Test

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How to correctly wire a plug

Where the wires go:

  • Green/yellow wire to the earth terminal - top of the plug

  • Blue wire to neutral terminal - left of the plug

  • Brown wire to live terminal - right of the plug

Please note that some appliances have a two-core flex with live and neutral only: these double-insulated appliances do not require an earth.​

Make your last checks:

  • Ensure the wires are connected to the right terminals - see image

  • Be sure there are no errant wires

  • Ensure the flex clamp secures the outer sheath, rather than the thinner wires. The wires may well come loose if you do not do this.

  • Ensure all screws are tight

  • Attach the right fuse for the appliance. Read the manual if you are unsure what amp fuse to fit

  • Replace the cover and secure