Enclosures shall be a one-piece (excluding cover) box, made of 20-gauge, white powder-coated steel. They shall be flush mounted with four wood screws (provided) on standard 16-inch center wall studs prior to drywall installation, or surface mounted after drywall installation. The enclosures include multiple knockouts on the top, bottom, and sides to support conduit and facilitate cable routing and entry. The enclosures shall meet all applicable standards: be cULus and ACA listed, comply with ANSI/TIA-568-C and ANSI/TIA-570-B requirements, and be UL Listed for fire and burglary systems. The manufacturer shall provide a two-year limited product warranty.