When it comes to BNC cables, there are typically two 18-gauge wires along with a coaxial cable. These cables are commonly used in security camera systems to transmit video signals from the camera to a monitor or DVR. One of the 18-gauge wires is used for transmitting power to the camera, while the other wire is used for grounding purposes.
I remember the first time I encountered a BNC cable while setting up a security camera system at my home. I was intrigued by the design and the combination of wires and coaxial cable in a single cable. It was fascinating to see how these cables could carry both video signals and power to the camera.
The coaxial cable within the BNC cable is responsible for carrying the video signals. It consists of a central conductor, surrounded by insulation, a metallic shielding, and an outer insulating layer. This design helps to minimize interference and maintain the quality of the video signal being transmitted.
The two 18-gauge wires within the BNC cable play a crucial role in powering the camera. One of the wires carries the positive voltage, while the other acts as the ground wire. This setup allows the camera to receive the necessary power supply for its operation.
Having these wires integrated into the BNC cable simplifies the installation process, as it eliminates the need for separate power cables for the camera. It also reduces cable clutter and makes the setup more aesthetically pleasing.
To summarize, a BNC cable typically consists of two 18-gauge wires and a coaxial cable. The wires are used for transmitting power to the camera, while the coaxial cable carries the video signals. This design makes BNC cables a convenient and efficient option for connecting security cameras to monitors or DVRs.