What should the distance be between the floor and the distribution board or main switch? Approved Document M of the Building Regulations states that consumer units/fuseboxes should be mounted so that the switches are 1350-1450mm above floor level. Our flexible distribution boxes enable reliable, decentralised signal transmission and power transmission up to protection class IP67 – wherever passive distribution boxes are required. High-quality materials and robust product designs ensure a reliable connection, signal transmission and power. Here, decentralized electrical installation has proven its worth: Our distribution boxes offer the necessary installation space for pluggable installation - for the most diverse applications in the most diverse areas of use: Our distribution box can be used wherever high demands and harsh. A terminal box, also known as a fiber optic terminal box or FTTH (Fiber to the Home) terminal box, is a compact enclosure used to house the terminations of fiber optic cables. It provides a secure space where incoming fiber optic cables from the provider's network are. A distribution box, also known as a D-box, is a small underground chamber that channels effluent from the septic tank to the leach field lines.