Legrand CS8364 50A 250V 3‑Phase Locking Connector, 3P4W, California Style Legrand CS8364 50A 250V 3‑Phase Locking Connector, 3P4W, California Style New The Legrand CS8364 is a 50 Amp, 250 Volt, 3‑phase, 3‑pole, 4‑wire locking connector designed for industrial applications.