Conductor Labeling: Wire tagging, color-coding, or number schemes to identify circuits, voltage, or phase. Junction and Pull Box Tags: Provides location ID and connects back to. Clearly labeled electrical conduit enhances workplace safety, boosts efficiency, and prevents costly mix-ups during maintenance and troubleshooting. It also helps improve efficiency by speeding up troubleshooting, maintenance, and repairs by guiding technicians directly to the correct circuit. As a result, inspectors move through final walk-throughs faster with fewer questions or citations. All circuits, raceways, and conduits shall be color-coded, labeled, and sized to match the appropriate t Colo er drawings. If the conduit size is not given on the drawings, the conduit shall be sized in accordance with NEC based on the number of conductors enclosed plus a parity-sized. This standard describes requirements for numbering and labeling of real property electrical distribution equipment, circuits, and site lighting at Lawrence Livermore National Laboratory.