thanks 7anoter4 & VLFit
these cables are non armored and non shield for ground
Cable specification- Cu/XLPE/HFFR 1.5kV 1C x 300sqmm
in service voltage - 750VDC
Laid on Cable Tray, some are through non metallic conduit
We are now conducting
IR measurement @1kV for 1min. and
VLF withstand...