Nexans H07Z1-U Cca Type 2 and Nexans H07Z1-R Cca Type 2 are low-fire hazard and fire-retardant installation wires for 450 / 750V AC or 1kV DC. H07Z1-U has a solid class 1 core, H07Z1-R has a stranded class 2 core. Nexans H07Z1-U/R Cca Type 2 is intended for protected fixed domestic and industrial installations. Installation may be in a tube or in closed gutters embedded in the wall, in the floor or surface mounted. Nexans H07Z1-U/R Cca Type 2 has fire reaction class Cca-s1,d2,a1 according to EN 50575 and may be installed in bundle or side by side and in areas with increased fire risk. The wire is also suited for areas where some regulations impose s1 a1.