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Discuss PAT failing on every toaster? in the Electrical Testing & PAT Testing Forum area at ElectriciansForums.net

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Hi. As Maintenance Officer of a holiday complex, I have been issued a new Martindale HPAT 500 to do routine testing with. All seems OK except every toaster in the entire place fails the earth continuity test showing >20Ω I'm holding the lever down to create 'on' position. Doesn't seem likely every toaster in the place has failed at the same time, eh? Something not right?!
 
Are they class I? Where is your earth clip connected to?

And welcome to the forum!
 
Are they class I? Where is your earth clip connected to?

And welcome to the forum!
Definitely no Class 2 symbol anywhere so assuming class 1. Have tried clip on various places - grips that hold the bread in place/ divider between slots. I did wonder if they could be Class 2?
And thanks, definitely just allrounder looking for pro advice!
 
What's the make and model?

What reading do you get if you measure resistance (just with a multimeter, not at high current) between the earth pin of the mains plug and any exposed metalwork?
 
What's the make and model?

What reading do you get if you measure resistance (just with a multimeter, not at high current) between the earth pin of the mains plug and any exposed metalwork?
they are various ones, mostly from John Lewis I think! I will try that tomorrow.
 
I have never seen a Class II toaster are they all the same type.
No, they are all different, I think they have bought them all from John Lewis, but different models depending on the size of the units, but its a bit annoying because they don't like all the same things across the units, they like them all to look different. This is why I thought its a bit odd they all fail.
 
long time since i have done any pat testing but I always used to take the top off the plug to check fuse rating.
you can then see if there is an earth wire.
Note: i expect that many will have a moulded plug so you cant see now days.

I think you need to examine the toasters a bit more thoroughly and see what part may give you a god earth test point, maybe a screw on the bottom?
I would expect that the metal grid that covers the elements would be well bonded to earth though.

As above, try a multi meter to see what is giving any continuity to the earth pin.
 
I'd suspect that it's as simple as that you're not managing to get a good enough connection due to laquer etc. If you had a proper insulation tester that could put some balls into it then you'd get a different result. Or..... they're actually class 2 after all and not marked - sacrifice the plug off of one and see if it's 2c flex.
 

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