Ampetronic flat copper tape (cable) is the default choice when installing loop cable under floor coverings
Ampetronic
Wire / Tape - Williams AV
Elite Audio EA-PRM3 Premium 2-Ch Oxygen Free Copper RCA Cable - 3ft. Male to Male Twisted Pair with Noise Reduction
Ampetronic
FAQ Copper Loop
Flat Copper Tape and installation accessories for hearing loops
Andrew Attard on LinkedIn: Flat Copper Tape and installation
Induction Loop Accessories, Free UK Delivery Available
CONDUCTIVE COPPER TAPE 3/8 x 36YD
Hearing loop drivers and accessories - Ampetronic
Build an Audio Loop System
Ampetronic on LinkedIn: How Hearing Loops Work video Featuring
FW-14-500 Flat Copper Wire
18mm Copper Tape Cable for Hearing Loops - Altronics
ILD100 Small Area, VOX Switching Hearing Loop Driver