Bosch LBC 1256/00 EVAC Connection Adapter, Pack of 100 The LBC 1256/00 is an EVAC connection adapter, to be installed in series with the 100 V primary connection of a loudspeaker unit, changing the loudspeaker into a BS 5839-8 compliant unit. This additional connection adapter ensures that, in the event of a fire, damage to the loudspeaker does not result in failure of the circuit to which it is connected. In this way, system integrity is maintained. The connection adapter consists of a 3-pole ceramic screw terminal block with a pre-mounted thermal fuse. It can replace a connection terminal or be mounted in a standard connection box. The LBC 1256/00 consists of 100 pieces.  Features: • Emergency connection adapter • 3-pole screw ceramic connector • Pre-mounted thermal fuse • Set of 100 pcs