Cu - Copper
CCA - Copper Clad Aluminium
OFC - Oxygen Free Copper
CCS - Copper Clad Steel
PMMA - optical fibre - acrylic glass

FEP - fluorinated ethylene-propylene, derivative of TEFLON®
FRNC - flame retardant and non-corrosive material
LSZH - low smoke zero halogen material
PE - polyethylene
PVC - polyvinyl chloride
PUR - polyurethane
TPE - thermoplastic elastomers
FirestoP^® - marking of tasker^® cables, with insulation made of flame retardant materials

Solid and stranded conductors construction according to AWG