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The Potter Electric Signal Co. SB-46 is a 24-volt DC smoke detector base designed for use in fire alarm and life safety detection systems. It provides the mounting and electrical connection point for compatible smoke detector heads, securing the unit to a standard electrical box and delivering supervisory power from the control panel loop. Licensed fire alarm technicians and low-voltage electricians install this base during new construction and retrofit projects. The SB-46 is sold as a single unit and fits within the Potter SB-series line of detection accessories.
This base is suited for residential and light commercial fire detection installations where a reliable 24 VDC detection circuit is required. It is typically mounted to a standard 4-inch or single-gang electrical box on a ceiling or wall surface. The base accepts a compatible smoke detector head and connects directly into the supervised initiating device circuit of a conventional or addressable fire alarm control panel. Installers working under NFPA 72 guidelines will find this base consistent with standard low-voltage detection wiring practices.
Designed as an OEM-style mounting base for use with compatible Potter Electric Signal Co. smoke detector heads in 24 VDC supervised fire alarm detection circuits.
Installation must be performed by a licensed fire alarm technician or low-voltage electrician in accordance with NFPA 72 and all applicable local codes. Power down and de-energize the fire alarm control panel initiating device circuit before wiring or mounting the base. Secure the base firmly to the electrical box before attaching the detector head. After installation, restore power and perform a full functional test of the detection zone per the system commissioning requirements.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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