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Is there electricity in the TV closed circuit of the long soil beam bridge?
In principle, it should be dead.
Because the cable TV signal is not loaded with current. If so, you should find a maintenance person to troubleshoot, because there is mains electricity running into the cable TV network. They have special instruments, and the field strength instrument can measure the voltage within 60V. If it is 24V, you can touch it directly by hand.
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