The 487-005 Base is a low-profile, 4-terminal mounting accessory designed to provide secure and reliable connections for compatible fire detection devices. Measuring 99mm in diameter, it offers ample space for organized wiring while maintaining a compact footprint suitable for discreet ceiling or wall installations. The four terminals ensure stable electrical continuity between detectors and the fire alarm system, reducing the risk of wiring errors and enhancing system reliability. Constructed from durable, high-quality materials, the base withstands environmental stress, mechanical wear, and long-term operational demands, ensuring consistent performance over time. Its low-profile design allows for seamless integration into both residential and commercial fire safety setups while remaining accessible for maintenance and testing. Ideal for conventional and non-addressable fire alarm devices, the 487-005 Base provides a dependable, professional-grade solution that supports efficient, safe, and standardized fire detection system installations.