Trunking refers to an enclosure that protects cables. Most often, it's rectangular or square in form and has a lid which can be eradicated. Bus-bar trunking techniques are meant to distribute electrical power proficiently and safely. These units utilize a number of metallic bars housed inside of a protecting enclosure https://cable-trunking91233.kylieblog.com/37634144/cable-trunking-an-overview