This Hubbell HBL2611VBK Locking Valise Plug is designed to meet the needs of commercial and industrial applications requiring a 30 amp, 125 volt electrical connection. The plug features a secure locking design, ensuring a reliable connection at all times. The L5-30P configuration is commonly used in power distribution systems. Its sleek black finish adds a professional touch to any setup. This durable and dependable plug is perfect for use in a variety of settings, from construction sites to marinas.