fireproof copper cable with international code N07v-k certification required:CEI 20-20,CEI 20-22 II,CEI 20-37 I,CEI UNEL 35752.
for more detailed information about the specific cable please look for it on google by writing the code... you will find some website explaining in details materials, certifications, ect. all u need.
if you can provide it please contact us, business will be really interesting.