How to lay direct buried underground cables and find fault points
How to lay temporary cables on site?
Problem supplement: for the newly-built plant, the construction transformer and high-voltage line are far away from the construction center. As it is a steel structure plant, overhead lines cannot be adopted to avoid conflict with the installation of steel structure. Only low-voltage cables can be led from the transformer to the primary distribution box on the construction site and then distributed to the secondary distribution box of each construction unit on the site, How to lay this section of low voltage cable? Is it directly buried or directly on the ground?
Answer: it is strictly prohibited to lay directly on the ground. This low-voltage cable is directly buried.
How to find the fault point when directly buried cable is grounded?
Answer: use patrol cable tester.
Do you need a cable well for directly buried cables?
Question supplement: armored cables are directly buried for cable laying in the plant area. Is it necessary to add cable wells at the crossings and the power distribution room into the workshop? Is it necessary to add a cable well where the municipal 10kV cable enters the plant area?
Answer: underground cable wells can not be set for 6 or less cables. Wells are set for more cables to facilitate replacement and addition of cables. There is no need to set a cable well where the municipal 10kV cable enters the plant area. It can be directly buried from the terminal rod to the high-voltage distribution cabinet.
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