We are going to break down the types of cables you will encounter, how to plan and install them correctly, what the code says, and how to keep your cabling subs from blowing up your schedule. Today, you are looking at structured data networks, fiber optic backbones, security camera systems, access control, fire alarm networks, distributed audio, and smart building controls, sometimes all on the same project. If you are a general contractor or specialty contractor who keeps running into. Installers may relax their normal care when handling communications wire because it is a low-voltage system. However, communications wiring can carry hazardous high voltages under certain unsafe conditions. This article will guide you through the necessary tools, materials, and methods on how to connect fiber optic cables effectively. I have a project where we ran a 2" conduit from the exterior emergency generator yard to a Remote Generator Annunciator Panel inside a building. I beleive this is 3-#18 THWN, 24V. We now need to put a data switch at the generator yard but don't have any other raceway going to the generator yard. Running fiber internally involves extending this high-speed link from the service entry point to a centralized location, such as a dedicated media closet or network rack. This DIY effort is undertaken to maximize performance, improve aesthetics, or relocate the Optical Network Terminal (ONT) to a.