Our lighting distribution box the shell is made by galvanized steel 1. 0mm thickness, we mainly use budar to make the connection, rated current Up to 80A, breaking capacity you can choose 6KA,10KA,15KA, 25ka,36KA., rated voltage is 400V/230V with busbar Neutral and earthing. Subscriptions to the Lighting Library can be purchased by an individual, or as a Sustaining Member benefit. *Individual subscriptions to. This document provides specifications for various distribution boxes including dimensions, mounting sizes, and number of ways. Dimensions included are length, width. A distribution box is a low-voltage electrical enclosure that receives incoming power and distributes it safely to multiple outgoing circuits through protective and switching devices such as MCBs, RCDs, RCBOs, fuses, isolators, busbars, neutral bars, earth bars, and surge protective devices. The. With nearly 50 technical committees comprised of over 1,000 volunteer subject matter experts, the IES provides stability and predictability to the lighting market for the benefit of the industry and the public through its standards development initiatives as an American National Standards Institute. Lighting distribution box equipment used in low voltage power supply system for power control, protection, transformation and distribution equipment. Mainly made by the wire, components (including isolating switch, circuit breaker) and a box body, the box can be PC, iron and stainless steel and. 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.