This enclosure is the perfect solution for a basic structured wiring system. It features larger top openings that make pulling wire easier as well as additional knockouts, more side lances and side tabs for more flexible mounting. Product Details: Color: Glossy White Finish: Protective Powder Coat Type: Screw On Humidity: Max 93% non condensing Material: 20 Gauge CRS Minimum Depth Requirement US : 3.7 Mounting: Surface or Flush