B501IV 4inch Standard European Flangeless Mounting Base Description: The B501IV is a 4inch standard European flangeless mounting base for compatible fire detection devices and smoke alarms. Its precisionengineered construction provides a secure, stable foundation for detectors while the flangeless, lowprofile design keeps ceilings and walls looking neat. Finished in ivory to blend with most interiors, this mounting base includes integrated terminal connections and convenient mounting slots for straightforward installation. Key benefits: Reliable detector support: Solid, standardized 4inch diameter ensures proper alignment and stable attachment of compatible detectors. Streamlined appearance: Flangeless design reduces visual bulk for a cleaner finish that fits most interior decors. Faster, easier installation: Integrated terminal points and mounting slots simplify wiring and mounting, reducing installation time and potential wiring errors. Durable construction: Sturdy materials and precise manufacturing provide longterm mechanical reliability and secure electrical connections. Readytouse package: Includes one mounting base and a oneyear manufacturer . Important attributes: Compatibility: Standard 4inch European flangeless mounting base for fire detection systems and smoke alarms. Size: Standardized 4inch diameter to match common detector footprints. Material and finish: Durable ivorycolored base designed to blend with most interior environments. Connections: Integrated terminal connections for secure wire installation and clear wiring access. Installation features: Mounting slots and terminal points positioned for straightforward wiring and attachment. Practical applications: Retrofit projects: older, bulkier bases with a flangeless option to update appearance while retaining existing detector functionality. construction: Provide a standardized mounting platform for smoke alarms and detectors in residential or commercial ceiling installations. Office and multiunit housing: Use for consistent, professional detector mounting in corridors, common areas, and individual units. Package contents: One B501IV 4inch flangeless mounting base Oneyear manufacturer This mounting base simplifies detector installation while maintaining secure, standardized mounting for compatible fire detection devices.