For metal distribution boxes, CE certification means that the product has been tested and evaluated in accordance with relevant EU directives and meets the basic requirements of the EU for safety, health, environmental protection and consumer protection. CE certification is a mandatory safety mark for products stipulated by EU law. Key requirements include temperature rise tests 2, IP rating verification 3, short-circuit withstand testing 4, detailed technical files, and compliance with. Distribution boxes prevent those situations at a much larger scale. Let's dive into the concrete tests your distribution box must pass. These aren't abstract concepts – they're practical, lab-based evaluations that. We test enclosures to a wide variety of safety regulations, providing third-party certification that your products have met the industry's highest standards for performance. The electrical enclosures industry is a critical part of the infrastructure behind encasing and shielding hazardous equipment. The development, testing and production per national regulations, European Standards and special approvals document the high safety standard of els brand products. Part 1: General requirements.