BS6480 Shielding Resistance Table: Conductor, conductor sheath, shielding resistance and percent conductivity

BS6480 Shielded Resistance Cable: Conductor, conductor sheath, shield resistance and percentage conductivity of 2, 3 and 4 core cables conforming to BS6480 standard (copper conductors). Voltage rating 600/1000 Volts - Resistance Values

Maximum resistance (ohms) per 1000 meters of cable at 20°C
Nominal area of the driver	Copper Conductor	Two cores		Three cores		Four cores
Nominal area of the driver	Copper Conductor	Lead	Frame	Lead	Frame	Lead	Frame
mm²
25	0,727	3,86	2,11	3,42	1,94	2,75	1,72
35	0,524	3,45	1,94	2,79	1,76	2,43	1,57
50	0,387	2,86	1,80	2,32	1,61	2,02	1,13
70	0,268	2,32	1,28	2,03	1,16	1,63	1,01
95	0,193	1,91	1,16	1,67	1,03	1,34	0,90
120	0,153	1,63	1,05	1,42	0,95	1,14	0,66
150	0,124	1,37	0,76	1,12	0,68	0,91	0,60
185	0,0991	1,19	0,71	0,97	0,62	0,79	0,54
240	0,0754	0,99	0,63	0,81	0,56	0,63	0,48
300	0,0601	0,86	0,59	0,70	0,52	0,55	0,45
400	0,047	0,70	0,53	0,58	0,47	0,45	0,32


Maximum conductivity of the sheath and lead armor expressed as a percentage (%) of a phase conductor.
	Two Cores	Two Cores	Three cores	Three cores	Four cores	Four cores
	Main Armor	Frame	Main Armor	Frame	Main armor	Frame
Nominal area of the driver
Nominal area of the driver	%	%	%	%	%	%
mm²
25	19	34	21	37	26	42
35	15	27	19	30	22	33
50	14	22	17	24	19	34
70	12	21	13	23	16	27
95	10	17	12	19	14	21
120	9	15	11	16	13	23
150	9	16	11	18	14	21
185	8	14	10	16	13	18
240	8	12	9	13	12	16
300	7	10	9	12	11	13
400	7	9	8	10	10	15

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Accordion title

BS6480 Shielding Resistance Table: Conductor, conductor sheath, shielding resistance, and percent conductivity.