This document provides specifications for various types of plastic distribution boxes, including their dimensions and features. It describes HA, HK, and LGD series boxes with dimensions ranging from 100-415mm in length, 105-323mm in width, and 75-140mm in height. inspection or sample chambers) are quick to install, robust and secure and easy to access. It stipulates requirements for enclosure materials, installation dimensions, the mandatory "one equipment, one switch, one RCD" rule, mechanical structure, earthing systems. 4 KV Substation of the ratings indicated above. The body of the boxes shall have sufficient re- enforcement with suitable size of channels keeping a provision for fixin andle conforming to general. Combination illuminating distribution box is suitable for distribution control of modern buildings,such as large stores,guesthouse,stations,commercial net points,laboratories,factories and enterprises,used in AC 50-60hz,below 500V illuminating and mini power controling circuit as over.
