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Does coaxial cable carry current?
A coaxial cable is capable of carrying current. If the center conductor of the cable is solid copper, it carries it quite well. Solid copper core RG6 is used to power amplified antennas and satellite dishes all the time. It’s not suitable for carrying the amount of current you’d get from a wall outlet, though.
Do cable lines carry current?
A: Cable and phone wires don’t carry current, so it’s safe to remove them. “Under that are the cable and phone lines.” The wires connect to your house at a vertical pipe, called a weather head, and the lines dip close to that so any rainwater can drip off before the line carries power down to the meter box.
Can I cut a Virgin Media cable?
Perfectly safe to remove it. You shouldn’t remove it as it belongs to Virgin Media but they are hardly likely to come knocking and complain to you about it. Be aware it may complicate things though if you do come to order cable in the future.
How do I know if my coax cable is live?
Simply plug the DSS-01 Coax Cable Tester into the coaxial outlet you need to test and press the button. You will start receiving results instantly, and in less than 10 seconds, you will know if your coax outlet is live. When the LED-light indicator is red, it means the outlet is not live and is not receiving a signal.
Where does the common mode current flow on a coaxial cable?
People often say common-mode current flows on the outside of the shield, while the current on the inside of the shield is always opposed by an equal but opposite current on the center conductor. This is because skin effect separates the inside and outside of the shield.
Where does RF energy flow in a coaxial cable?
The RF energy flows as an EM wave within the dielectric between the inner conductor and the shield. The RF energy flows as an EM wave within the dielectric between the inner conductor and the shield. You are right. I misread that.
Is it better to ground the inner conductor or shield of the coaxial cable?
If the source was AC instead of AC, the currents will behave the same way, flowing on both conductors, back and forth. But I think I read the shield current will only flow on the inner surface of the shield….do you know why? Is it better to ground the inner conductor or the shield of the coaxial cable?
How does the current flow through a lightbulb?
in a simple abstract experiment, if we connected a DC voltage source to a load (lightbulb)using a a coaxial cable, the bulb would normally light up. The current will flow through the inner conductor and “return” to the voltage source by flowing through the outer conductor.