7 meters) high makes it easily accessible without the need to bend or stretch excessively. Adhering to these guidelines during the installation of a distribution box ensures. Choose the right box based on environment (indoor/outdoor), load capacity, and durability. Check for proper IP/NEMA ratings and material quality. 5m, and for distribution boards, it should not be less than 1. However, this height can be adjusted. Splices are to be made in boxes, like gutters / wireways. Pre-fabricated metallic boxes and assemblies Metallic outlet boxes, device boxes, rings and covers Non-metallic outlet boxes, device boxes, rings and covers While-in-use and weatherproof outlet boxes and covers. Junction boxes and pull boxes Related sections: 01 81 16Facility Environmental.