Medium Voltage Cables/ Group Rating Factors/Cables installed in single way ducts

Cables installed in single way ducts

Group rating factors for multicore core cables in single way ducts, horizontal formation (average value)


	Spacing
	Number Of Ducts In Ground	Touching	0.30m	0.45m	0.60m
3.6/6 to 12/20kV Cables	2	0.88	0.91	0.93	0.94
	3	0.80	0.84	0.87	0.89
	4	0.75	0.81	0.84	0.87
	5	0.71	0.77	0.82	0.85
	6	0.69	0.75	0.80	0.84
18/30kV cables	2	0.87	0.89	0.92	0.93
	3	0.78	0.82	0.85	0.87
	4	0.73	0.78	0.82	0.85
	5	0.69	0.75	0.79	0.83
	6	0.67	0.73	0.78	0.82

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