I AND MAINTENANCE INSTRUCTIONS Plug-in Detector Base use with the following smoke detectors: US: CANADA: 1151A, 2151A EUROPE: 2151E 2151 0 Ratings – includes base and detector Min. Installing for Proper Use of System Smoke Detectors, which detailed information on detector spacing, place- zoning, wiring, and special applications. Copies of for the Installation of Fire Alarm Systems The detector used with this base must be Description boxes and 4-inch square boxes, with or without rings. To mount the base, remove the decorative separating the ring from the base. Use the screws with the junction box to attach the base to the through the appropriate slots in the base (see Figure Limitations of Property Protection Smoke Detectors and initi- detectors will not work without power. AC or DC powered detectors will not sense fires which start where smoke does reach the detectors. detector is usually located. For this reason, there may be large be located on every level and in bedr
