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The LEGRAND CI-305-1 is a power conditioning unit designed for use in commercial and residential electrical installations. Power conditioners filter and regulate incoming line voltage to protect downstream equipment from noise, surges, and fluctuations on the electrical supply. This unit is typically installed by licensed electricians during new construction or retrofit projects where sensitive equipment requires stable, clean power delivery. It fits within the Legrand family of wiring devices and electrical distribution components.
The CI-305-1 is suited for installation in environments where consistent power quality is critical, including commercial offices, medical facilities, data closets, and residential applications with sensitive electronics. It is installed as part of a structured wiring or electrical distribution system and is typically specified during the design phase of a project.
Designed as an OEM-style replacement or direct-install power conditioning component for use in commercial and residential electrical distribution systems.
Installation should be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and all applicable local codes. De-energize the circuit and verify absence of voltage before making any connections. Follow manufacturer wiring diagrams and observe proper overcurrent protection requirements for the circuit.
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