System Sensor System Sensor B210LP Detector Base, Plug-In JMAC# SYSTEM-SENSOR-B210LP The B210LP is a plug-in detector base intended for use in an intelligent system, with screw terminals provided for power (+ and ), and remote annunciator connections. Communication takes place over the power (+ and ) lines. UPC: 783863025143Also known... MSRP: Was: Now: $20.50 Add to Cart