This is the official line from the wholesaler. Data sheet supplied.
The conductor is an compacted conductor.
FYI - A compact stranded conductor is a round or sector conductor having all layers stranded in the same direction and rolled to a predetermined ideal shape. The finished...
The strands are not round so I can't measure the OD accurately. There are 19 of them though so if it's 70mm each should be 3.68 mm. If it's 50 they would be 2.63mm. A strand fits a 2.5mm crimp perfectly.
The conductors are round and I have tried 3 types of round lugs, all with the same result. I crimped a 70 and 50 on to two cuttings, the 50 is perfect the 70 is a shambles.
A 50mm 5 core is not rated for this job as I am installing a 250A breaker so it is critical. The fact that the cable is...
My advice is always to take your own knife and sharp braiding snips, they will save a lot of time and effort during the practicals.
I have attend this course on seven or eight occassions over the years and seen many struggle with the tools provided.
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...
These Official Forum Sponsors May Provide Discounts to Regular Forum Members - If you would like to sponsor us then CLICK HERE and post a thread with who you are, and we'll send you some stats etc