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TABLE : 5
THERMO PLASTIC BUILDING WIRE TYPE : NYA - 1000 V
SII. 0208– 78 (SPLN. 42 -1 :1981)
(pvc iNSULATED)
Size : 1……………. 500 mm 2

ELECTRICAL CHARATERISTICS

Size
Resistance at. 200C
Current Carrying Capacity
Resistance per- Conductor
Short Circuit Current at 1 sec
Test Voltage
Conductor
Insulation
In pipe
In air
DC.Calculated
-
300C
300C
mm2
Ohm/km
M.Ohm.km
A
A
Ohm/km
KA
KV/5 min
00 000
1 23.4 51 12 18 - - 0.12 2.5
1.5 11.9 51 15 24 - - 0.17 2.5
2.5 7.14 48 20 32 - - 0.29 2.5
4 4.47 44 25 43 - - 0.46 2.5
6 2.97 37 33 54 - - 0.70 2.5
10 1.77 36 45 74 - -- 1.16 2.5
16 1.12 26 61 98 0.088 0.24 1.86 2.5
25 0.708 26 83 140 0.085 0.23 2.91 2.5
35 0.514 22 104 159 0.082 0.22 4.07 2.5
50 0.379 22 132 197 0.082 0.21 5.81 2.5
70 0.262 19 166 247 0.082 0.20 8.14 2.5
95 0.189 18 198 293 0.082 0.19 11.05 2.5
120 0.150 16 236 345 0.078 0.19 13.95 2.5
150 0.122 16 - 391 0.078 0.18 17.44 2.5
185 0.0972 16 - 448 0.078 0.18 21.51 2.5
240 0.0740 16 - 529 0.075 0.17 27.91 2.5
300 0.0590 15 - 609 0.075 0.17 34.88 2.5
400 0.0461 14 - 724 0.075 0.16 46.51 2.5
500 0.0366 15 - 828 0.075 0.16 58.14 2.5

 

   

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