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I am total noob in electric things. I've got one question. What is that sign on Dell PC power adapter? What is it and how to test it? Is it class two with earth? Help! Thank you.
 

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Read the CoP for ISITEE
not sure that particular thing is in the COP. and how could it be tested anyway if it's a plug-in device and the output is ELV. visual inspection only IMO.
 
FVI, and if you like, test output voltage just for fun...
You could try testing it when plugged into the PC...

Oh, I dunno...
Pretty unlikely to be fatal...more likely to fail and be a costly replacement from Dell
 
Here's one I made earlier...
I expect if i peeled the Made In China sticky label off it would reveal more meaningless (to me) symbols...
The lead is a plain cloverleaf type, so easy to test...
Anyway, if you have an older Dell laptop and need this power supply, let me know. Yours for a charity donation.Signs on power adapter. Dell ps - EletriciansForums.netSigns on power adapter. Dell ps - EletriciansForums.net
 
Indeed, DPG...lazy of me, but what I meant was it is easy to test that kind of lead on a PA Tester, provided you have the adaptor
 
Remember that a PAT tester connects line and neutral together during testing. And obviously there is no earth connection. So Pat testing a figure 8 lead doesn't actually do anything.

Edit: ignore me. I forgot it was a cloverleaf rather than a figure 8 type. Doh. I am currently stood in the corner.
 
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