Have you thought of wrapping cords and cables with this:
https://www.ebay.com/itm/EMF-RFID-RF-Shielding-Copper-Fabric-Roll-44-x-1-of-Material/131893330384?ss...
Using this conductive tape to seal the seams and to ground the fabric to electrical ground:
https://www.ebay.com/itm/Copper-Foil-Tape-1-5-X-10ft-EMI-Conductive-Adhesive-Ship-from-USA/162095634...
Dave
https://www.ebay.com/itm/EMF-RFID-RF-Shielding-Copper-Fabric-Roll-44-x-1-of-Material/131893330384?ss...
Using this conductive tape to seal the seams and to ground the fabric to electrical ground:
https://www.ebay.com/itm/Copper-Foil-Tape-1-5-X-10ft-EMI-Conductive-Adhesive-Ship-from-USA/162095634...
Dave