IS 7098 Power Cable

www.siechem.com 43 Insulation resistance: 1.0 Volume resistivity at 27°C Ohm cm 1 X 10 9 1 X 10 14 >1 X 10 14 >1 X 10 14 2.0 Volume resistivity at 125°C Ohm cm Fails Fails >1 X 10 12 >1 X 10 12 3.0 Insulation resistance at 27°C Mohm km 36.7 >500 >500 >500 4.0 Insulation resistance at 125°C Mohm km at 90°C (fails) > 50 >50 1.0 High Voltage Test after ageing of complete cable : 1.1 Ageing temp. °C 80 135 160 158 1.2 Duration 168 hrs ( 7 days ) 168 hrs ( 7 days ) 168 hrs ( 7 days ) 168 hrs ( 7 days ) 2.0 Test voltage kV 3 kV for 5 minutes 3 kV for 5 minutes 6 kV for 5 minutes 6 kV for 5 minutes 3.0 Withstand test at room temperature 3kV for 5 min 3kV for 5 min 6 kV for 5 min 6 kV for 5 min 4.0 Break down voltage Min. kV <10 <10 18 18 5.0 Spark test kV As per IS:694 test voltage As per IS:694 test voltage 25% higher than IS:694 test voltage 25% higher than IS:694 test voltage Test Details Conventional PVC Cables as per IS:694/IS:1554 70°C XLPE (Chemical Curing) 90°C Unit Sl. No at 90°C (fails) 1.0 Smoke density (ASTM D 2843)Max. % >80 NA NA 10 2.0 Toxicity index (NES 713) % >25 >10 >10 <5 3.0 Oxygen Index % 29 >29 >29 >30 4.0 Acid gas emmission (IEC 754 P-1) % >25 (fails) NA Nil Nil 5.0 Temperature index (ASTM D 2863)Min. °C 160 (fails) 250 280 280 6.0 Sweedish Chimney test Pass NA Excellent Excellent 6.1 Flammability as per IEC 60332-1 6.1.1 Length of unaffected portion from lower edge of top clamp mm <50 300 300 >350 <60 <60 <20 <20 F) Electrical Properties H) Fire Retardent Properities EBXL - XLPO 0 12 5 C EBXL - XLPE 0 12 5 C Wires & Cables EBXL XLPE LT POWER CABLES