52181-SPKR - Four Sq. Box w/ Mounting Tabs 3-1/2" (4) 1/2" & (4) 3/4" KO, 10 Pak

52181-SPKR Four Square Box with Mounting Tabs 3-1/2" Deep This 4-inch square junction box, model 52181-SPKR by Southwire, is designed for electrical distributors and lighting solutions requiring durable and stable mounting on concrete forms. It features a 3-1/2 inch depth and includes mounting tabs for secure attachment during concrete pours. The box accommodates various electrical and electronic devices such as dimmers, cameras, speakers, strobes, and signal equipment. Its design eliminates the need for additional extension rings, streamlining installation for switchgear suppliers and wire and cable professionals. Specifications Manufacturer: Southwire Manufacturer Part #: 52181-SPKR Dimensions (WxHxL): 4" x 3.5" x 5.5" Weight: 1.1180 lbs Knockouts: (4) 1/2" and (4) 3/4" side knockouts Material Origin: Made in USA Country of Origin: United States Features Raised ground for improved electrical safety External mounting tabs allow nailing or screwing to concrete forms for stability during pours Extra depth accommodates a variety of devices without need for extension rings Labor-saving design simplifies installation on concrete forms Downloads & Links Cutsheet