French to English Tech/Engineering Computers: Systems, Networks electricity

I think this is a fairly basic term, maybe multiple wires, but I would really appreciate the input of those with more knowledge of the subject, thanking you all very kindly in advance,

Here's the context,

Ces câbles (si âme à brins multiples) seront douillés à leurs extrémités (afin de garantir un raccordement aisé et un bon serrage sur les disjoncteurs différentiels des clients auxquels ils seront connectés