Model shall be a SSM or SSV Series alarm bell. Bells shall have underdome strikers and operating mechanisms. Gongs on said bells shall be no smaller than nominal 6"/8"/10" (specify size) with an operating voltage of 24VDC or 120VAC (specify by part number). Bells shall be suitable for surface or semi-flush mounting. Outdoor surface mounted installations shall be weatherproof (using optional WBB weatherproof electrical box). Otherwise bells shall mount to a standard 4" square electrical box having a maximum projection of 2½". Bells shall be located as shown on the drawings or as determined by the Authority Having Jurisdiction.

Specifications

• Item: Waterproof Back Box
Overall Dimension 4.33 Inch Length x 1.55 Inch Width x 4.33 Inch Height; Conduit Opening (2) 1/2 Inch Threaded, (2) 1/2 Inch Threaded Plug, (1) 7/8 Inch Knockout Plug; Approval UL