In hazardous industries, every signal matters — and every light means safety. The L1920 Modular Explosion-Proof Tower Light from THT-EX is built to communicate critical status clearly and reliably, even in the toughest environments. Certified for Zone 2, 21, and 22 under UL, IECEx, and ATEX standards, it ensures trusted performance where safety cannot be compromised. 🚦Modular Design – Choose from 1 to 5 light modules in Red, Orange, Green, Blue, White. 🔔 Flexible Functions