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Conductor Resistance :

• Nominal cross-section area	Plain copper conductor wires(Ohm/km)		Tinned copper conductor wires(Ohm/km)
  mm2	class 1 and 2	Class 5 and 6	class 1 and 2	Class 5 and 6
  0.05	–	380	–	392
  0.08	–	237	–	244
  0.11	–	170	–	175
  0.126	–	150	–	155
  0.14	–	134	–	138
  0.22	–	96	–	99
  0.25	–	76	–	79
  0.34	–	53	–	56
  0.5	36	39	36.7	40.1
  0.75	24.5	26	24.8	26.7
  1	18.1	19.5	18.2	20
  1.5	12.1	13.3	12.2	13.7
  2.5	7.41	7.98	7.56	8.21
  4	4.61	4.95	4.7	5.09
  6	3.08	3.3	3.11	3.39
  10	1.83	1.91	1.84	1.95
  16	1.15	1.21	1.16	1.24
  25	0.727*	0.78	0.734	0.795
  35	0.524*	0.554	0.529	0.565
  50	0.387*	0.386	0.391	0.393
  70	0.268*	0.272	0.27	0.277
  95	0.193*	0.206	0.195	0.21
  120	0.153*	0.161	0.154	0.164
  150	0.124*	0.129	0.126	0.132
  185	0.0991	0.106	0.1	0.108
  240	0.0754	0.0801	0.0762	0.0817
  300	0.0601	0.0641	0.0607	0.0654
  400	0.047	0.0486	0.0475	0.0495
  500	0.0366	0.0384	0.0369	0.0391
  630	0.0283	0.0287	0.0286	0.0292

Electrical Test :

• 		H07Z-K H07Z-R H07Z-U	H05Z-K H05Z-U	Thermosetting insulated, single-core cables	Thermosetting insulated, twin, 3-core, 4-core and 5-core circular sheathed cables	6241B 6242B 6243B
  Test	Unit
  Voltage test on complete cable
  Length of sample (min.)	m	20	20	20	20	20
  Period of immersion (min.)	h	1	1	1	1	1
  Temperature of water	°C	20 ± 5	20 ± 5	20 ± 5	20 ± 5	20 ± 5
  Applied voltage (a.c.)	V	2 500	2 000	2 500	2 500	2 000
  Time of application	min	15	15	15	15	15
  Voltage test on cores
  Length of sample	m	—	—	20	20	20
  Period of immersion (min.)	h	—	—	1	1	1
  Temperature of water	°C	—	—	20 ± 5	20 ± 5	20 ± 5
  Applied voltage (a.c.)	V	—	—	2 500	2 500	2 000
  Time of application	min	—	—	5	5	5
  Insulation resistance
  Length of sample	m	5	5	5	5	5
  Period of immersion (min.)	h	2	2	2	2	2
  Temperature of water	°C	90 ± 2	90 ± 2	90 ± 2	90 ± 2	90 ± 2
  Spark test
  Result to be obtained		No failure	No failure	No failure	—	—
  Voltage test
  Applied voltage a.c.	V	—	—	—	2500	2000
  Applied voltage d.c. (min)	V	—	—	—	5000	5000
  Duration of test	min	—	—	—	5	5
  Result to be obtained		—	—	—	No breakdown	No breakdown