The proper installation of a distribution box involves placing it at the right height to ensure safety and convenience. 3 metres for elderly and handicapped people in the residential unit. Ensure safe placement: install in dry, accessible areas with good ventilation and at appropriate height (typically ~1. The minimum height above the floor to the. It is just a metal box mounted on a wall. From experience, I have learned something important: the box itself rarely. The National Electrical Code (NEC) specifies that the center of the grip of the operating handle of the highest circuit breaker must not be located more than 6 feet 7 inches (2.
