E0400-155 is a Posi-Lok single pole male plug designed for high-current industrial power connectivity applications. This blue-position plug features double set screw termination for #2-3/0 AWG cable sizes and is rated for 600V AC/DC with up to 400A continuous current capacity. The connector utilizes the proven Cam-Lok double cam principle providing a positive, vibration-proof connection with no moving contact surfaces, eliminating arcing or burning of contacts. Designed to meet NEC Article 520-53 Section K and Article 530-22 Section A standards, it is ideal for motors, generators, lighting distribution panels, and stand-by power applications where reliable single pole connectivity is required.