The YBD-RA Surface Wiring Adaptor allows the majority of Hochiki Sensors/Detectors and their Mounting Bases to be fitted flush against a fixing surface whilst also allowing surface wiring (without conduit) to be connected. Compatible with the majority of existing Analogue and Conventional bases Colour matches standard Hochiki Analogue and Conventional Sensor/detector/base ranges 4 pre-moulded knock-outs provide wiring entry Low profile - only 16mm