H07Z1-U Type 2 No Smoke
Single core power cable with solid conductor insulated with thermoplastic materials, resistant to fire propagation, having low emission of smoke and toxic and corrosive gases when exposed to fire, particular suitable for installation in bunches.

For installation where high presence of people is foreseen and cables are not installed in bunches. Installation in surface mounted or embedded conduits, or similar closed systems; suitable for fixed protected installation in, or on, lighting or control gear for voltages up to 1000 V a.c. or, up to 750 V d.c. to earth.
Unsuitable: for installation in bunches, for outdoor use, direct or indirect burring in earth, in damp premises, directly under plaster.
Further instructions and guidance for use are given in the EN 50565 standard.