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I am in the process of installing a 5 core 70mm feeder cable for a DB. 70mm cable lugs are too large for the cores but 50mm fit perfectly. I have taken this up with the cable supplier. Their response was that 50mm lugs are often used om 70mm cores?


Having been in the trade for 41 years I have never heard of this. I normally have to file a taper on to the copper conductors to get lugs to slide on as the fitting is that tight. Now I am told you can easily use a much smaller lug? It makes no sense.

I am of the opinion the cable is under sized yet the OD is 43.3mm which is correct for a 5 core 70mm. Anyone else come across this?
 
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