Fire Testing
Circuit Integrity
13. Circuit (insulation) integrity in accordance with NF C32-070-2.3(CR1)
The cable is installed in a stainless steel conduit and heated to 920°C ± 20°C according to a specified time
curve. A voltage of 500 V AC or 1,000 V AC respectively is applied to the cable. To simulate mechanical shock, a
small hammer strikes the pipe at a frequency of 2 strikes / min.