They are designed for use indoors or outdoors with rigid conduit and IMC, and they are ideal for pharmaceutical, chemical and food processing, pulp/paper, nuclear, solar and commercial construction applications. . If you're seeking to understand how to integrate solar power in potentially explosive environments, this guide will provide the insights you need. What Are ATEX and IECEx Solar Panels? ATEX and IECEx solar panels are photovoltaic panels certified for use in areas where explosive atmospheres may be. . The HAL-SPNL-140 140-watt Explosion Proof Solar Panel from Larson Electronics is a high output module designed for solar-powered systems in Class I, Division 2 hazardous locations. The 12V unit contains 36 crystalline silicon cells. The Photovoltaic Module is highly resistant to water, abrasion, hail impact and other severe weather conditions, making it suitable for use in any climate.