please issue credit note asap and prepare the 8D report answer.
Andrew, we can guaranty that our worker has to insure wires are tighten before to insert them inside the terminal, as they keep wires with hand then insert the terminal by hand and as it is the basic training of all our workers, they can very easily identify if strands are cut at this moment.
What is sure is that in case wires are scrapped as per picture below, after few bending they have a chance to break.
Then it might appear that they broke during installation and we were exactly in situation below.
Please help us also to confirm exact translation of “severed” mentioned in IPC standard.