What regulations should the order length of cables comply with
The ordering length of cables shall comply with the following provisions:
(1) For long-distance cable lines, the calculated length should be taken as the ordering length. For single core cables with voltage above 35kV, it shall be calculated by phase; When the line adopts sectional connection methods such as cross interconnection, it shall be listed by section.
(2) When 35kV and below voltage cables are used for non long distance, the factor that the remaining sections of the whole reel of cables cannot be used after being intercepted should be considered, and a margin of 5% ~ 10% should be included according to the calculated length as the ordering length of cables of the same model and specification.
(3) The length of each coil of underwater cable shall not be less than the laying length of underwater section. In case of difficulty, factory made flexible joints can be included.
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