Regards the LISN and the feed cable, you will have to make a decision what the set-up is and, this is decided to a considerable extent by what done emission normal you are attempting to satisfy. I am unable to tell you what This can be so you might want https://simonbtjyn.thechapblog.com/30568164/5-easy-facts-about-single-phase-emi-emc-line-filter-described