The RJ15 part of TE Connectivity is a type of telecom connector that features a modular jack design, allowing it to be easily reconfigured for a variety of different applications. It is commonly used for telephone, Ethernet, and other networking applications. It is easy to install and can be quickly and securely connected with either push/pull or punchdown type terminations. The physical size of RJ15 connectors is much smaller than the other similar connectors, making them an ideal choice for tight locations. In addition, it is corrosion-resistant and has a high current-carrying capacity, making it an ideal choice for a variety of commercial and industrial applications.