Maintenance personnel can open station for inspection and address setting without causing an alarm condition.Built-in bicolor LED, which is visible through the handle of the station, flashes in normal operation and latches steady.red when in alarm.Handle latches in down position and the word “ACTIVATED.â€_x009d_appears to clearly indicate the station has been operated.Captive screw terminals wire-ready for easy connection toSLC loop (accepts up to 12 AWG/3.25 mm. wire).Can be surface mounted (with SB-10 or SB-I/O) or semiflushmounted. Semi-flush mount to a standard singlegang,double-gang, or 4" (10.16 cm) square electrical box.Smooth dual-action design.Meets ADAAG controls and operating mechanisms guidelines(Section 4.1.3[13]); meets ADA requirement for 5 lb.maximum activation force.Highly visible.Attractive shape and textured finish.Key reset.Includes Braille text on station handle.Optional trim ring (BG12TR).Meets UL 38, Standard for Manually Actuated SignalingBoxes.Up to 99 NBG-12LX stations per loop on CLIP protocolloops: up to 159 NBG-12LX stations per loop on FlashScan. protocolDual-color LED blinks green to indicate normal onFlashScan systems.