KUPO CEE European standard connectors are specifically designed for stage performances. The red color represents the 400V phase. They are made of high-stability engineering plastic insulation material that is durable, robust, heat-resistant, and resistant to aging. These connectors can operate reliably in both low and high-temperature indoor and outdoor environments. The female contacts feature a snap spring structure to ensure low-resistance contact. They have a waterproof rating of IP44 and comply with European CE safety certification standards.