How to use a bnc connector!! which BNC connector is Best for CCTV camera!!

How to use a bnc connector!! which BNC connector is Best for CCTV camera!!

What is the best BNC connector? This article will discuss some of the most popular options that are available and present videos on how to connect these types of BNC connectors to coax cable. I hope that it will help readers decide which is the best choice for them.

BNC connectors are used in video applications with RG59 and RG6 coaxial cable. They are the industry standard connector for CCTV video surveillance systems. Almost always, devices such as CCTV cameras, surveillance DVRs, and security monitors have a BNC female video input or output on them. So, the coaxial cable that connects these types of devices needs to have BNC male connectors on both ends of the cable run.

BNC Crimp-on Connector
Crimp-on BNC connectors are available in two styles: 2 piece and 3 piece. The two piece style is much more popular, so that is the type that we will discuss here. Installation using two piece BNC crimp-on connectors requires two tools: a coax cable stripper and a coax crimping tool. The attachment process takes a little longer than the other methods, but this is still a favorite among professional installers because the connector stays very secure when done.

Please watch the below video to see how BNC crimp-on connectors are attached to RG59 cable.

BNC Twist-on Connector

Twist-on BNC connectors are very convenient because they do not require any special tools to attach the connector to the coax cable. Of course a coax cable stripper is still needed to strip the cable before attaching, but after that everything is done by hand. Despite some installers claiming that BNC twist-on connectors are not reliable because they do not attach as securely as crimp-on or compression connectors, I have found them to be very reliable as long as the cable is trimmed to the proper length according to the twist-on connector that you are using.
F Compression Connector to BNC

There are two popular methods for attaching compression BNC connectors. One piece BNC compression connectorsexist (which is one method), however, many installers prefer to attach a compression F connector to coax cable first, then screw on a BNC connector to the F-connector. The reason that many installers prefer this method is because there is no guessing the correct length of the coax core when you attach F connectors (because the coax core is visible and can be trimmed after). With BNC compression connectors, the core of the coax is hidden when you compress the fitting onto the cable. This can be prone to error.

The other reason that this is a favorite method among professional installers is because many CCTV installers also perform cable TV installations. Cable TV uses the same RG59 and RG6 coax cable that CCTV cameras use. These installers have been attaching F-connectors using a compression tool for years – they are very good at it. It is simple for them to attach a BNC screw on connector to an F-connector.

There is one downside to this method. when you combine the length of the F and BNC connector, it is longer than a twist-on connector. In some cases, installers have a limited amount of space and need the coax to bend away from the camera shortly after the connection is made. This longer connector method, can make working in tight spaces a challenge.

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