Discuss Eddy current clarification in the UK Electrical Forum area at ElectriciansForums.net

I remember working at the large Debenhams in Manchester city centre and they had installed a new sub panel in 600.0 singles on a tray. They entered the existing panel through separate entries of the ferrous panel and it was buzzing like crazy but there was no heat build up.
Surely my 1.5mm and 2.5mm earths going through their own hole will be OK then? 😂

Complete opposite end of the spectrum!

Wonder if my NIC inspector would have hard feelings about it
 
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The first picture I assume is steel in which case it is wrong. The aluminium panel in the second picture is fine but the lock nuts assuming they are steel are not.
Hi i dont know if this is the right place for this question here goes, can eddy currents be used to to 8dentify diffrent metals? Tia.
 
Just annoying when you’re a bit of a neat freak with a distribution board and know that taking the earths through their own hole at the top of the board makes it look so much better 😅

Whilst neatness is important you should not be putting form over function.

Putting all the earth's through a separate hole might look neat but it can make the next person to work on that boards job a lot harder.
 
Hi i dont know if this is the right place for this question here goes, can eddy currents be used to to 8dentify diffrent metals? Tia.

I imagine they could, but it doesn't seem an ideal method of identifying materials. The process would require the possession of quite a bit of information and strictly controlled conditions.
 

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