FX Luminaire SURGEMOD Lighting Fixture Surge Module 15V - FX Luminaire SURGEMOD Lighting Fixture Surge Module 15V - This Surge Module is designed to provide two additional layers of surge protection to any low-voltage LED fixture. The module should be used in areas prone to frequent surge events (e.g., lightning storms). The Surge Module is designed to be buried directly in-line with low voltage LED fixtures. A viewing window located on the top of the product provides contractors with a visual indication that a surge event has occurred and that the module should be replaced.