The RMS-6T-EXP-WP is a high-quality, die-cast metal, explosion-proof manual fire alarm pull station available in either single or dual action configurations. The RMS-6T-EXP-WP is approved for NEMA-4X applications and is UL Listed and Factory Mutual Approved for use in Class I, Groups B, C, and D; Class II, Groups E, F, and G; and Class III