FROR 300/500V CEI 20-22 II 

Reference rules

CEI 20-29 CEI EN 60228 IEC 228 conductor of isolated cables

CEI 50525 PVC isolated cables of rated voltages up to and including 300/500 V

CEI EN 50363-CEI 20-11 physical characteristic

CEI 20-22 II fire propagation

CEI UNEL 00725 identification of cores in cables

CEI EN 50267-2-1 test on gases evolved during combustion of electric cables and their compounds

Electric characteristics

Nominal voltage Uo/U : 300/500 V

Testing voltage : 2000 V

Working temperature : -5°C +70°C

Max. short circuit temperature : 160°C

Installation conditions

Bending radius minimum : 10 times outer diameter of cable for mobile service

Bending radius minimum : 5 times outer diameter of cable fixed lay

Tensile stress : 15 N for mm² of copper cross section

Operating temperature : 0°C

Sheath color

Grey RAL 7035