FireballĀ® Strobe warning light. The Fireball features a unique dome that twists off easily for quick dome and lamp replacements. The base features an integrated 1/2 inch NPT pipe mount base as well as the three holes required for surface mount configurations. Black epoxy paint is electrostatically applied to the base for superior corrosion resistance. The Fireball dome and base design provides a water-tight, dust-tight and corrosion resistant. Type 4X rating. The FB2PST is designed for stationary pipe and surface mount applications. The Fireball can be used in any application where a superior visual signal is needed. It is especially effective in industrial hazard warning, process control, status indication and in areas with high ambient noise levels. Federal Signal Fireball strobe is a very low-maintenance warning light for industrial applications where a vibration-resistant light is required to signal an emergency or process status.