Kidde® K-270 series non-coded fire alarm stations are sturdy, attractive and designed for economical installation. K-270 series provides a single action, break glass initiating station. It is available with normally open, normally closed or combination NO/NC contacts. The basic K-270 series have screw terminals for field connection. The K-270A series manual stations have 6 in wire leads. All non-coded statins are designed for either flush or surface mounting. For flush mounting a 4 in standard north American square box with single gang plaster cover should be used. For surface mounting the K-270 series or K-270P series, use a cast box, steel box or housing for weather-proof enclosure.