TIA-606-C states that you need to label all fiber optic cables and pathways at both ends. You should place labels close to connectors—usually within 8 inches. You can also label jack, connector, and block hardware on outlets or. Before printing labels for a single item, determine the information that each label requires. Poor labeling can create serious risks. These markings and color codes help ensure the accurate identification of individual fibers within cables, making installation, troubleshooting, and maintenance.