Trench boxes are steel or aluminum structures that provide the double function of extending a trenchs safety life as well as assisting to keep employees safe while completing tasks. Relying on place as well as significant goal, these boxes might similarly be explained as drain boxes, manhole boxes, trench guards, or touch boxes. These are usually used in the building context, regularly as employees are very first putting structures but likewise as they need to make repair work services noted below ground to points like circuitry or piping. Digging trenches is an essential part of many structure along with design work. When excavating for a structures structure.