Simplex (49WPBB-SVCW) Sv backbox,ceiling white wp

The Simplex 49WPBB-SVCW is a white, weatherproof back box designed for ceiling surface mounting of compatible Simplex TrueAlert ES speaker and speaker/strobe notification appliances. It provides a protected mounting enclosure for fire alarm notification equipment in locations where weather resistance is required. The back box is intended to be used with compatible ceiling-mounted S/V appliances and covers, which are ordered separately. Its white finish provides a clean appearance suitable for a variety of commercial, institutional, and industrial installations. Simplex documentation identifies the 49WPBB-SVCW as the white surface or weatherproof ceiling back box for S/V notification appliances.