The main ground grid shall be constructed of 4/0 copper wire, soft-drawn, 19-strand copper wire for substations with a maximum available fault current of 30 kA or less (for one second) and 500 kcmil, soft-drawn, 37-strand copper wire for substations with a maximum. The main ground grid shall be constructed of 4/0 copper wire, soft-drawn, 19-strand copper wire for substations with a maximum available fault current of 30 kA or less (for one second) and 500 kcmil, soft-drawn, 37-strand copper wire for substations with a maximum. The main ground grid shall be constructed of 4/0 copper wire, soft-drawn, 19-strand copper wire for substations with a maximum available fault current of 30 kA or less (for one second) and 500 kcmil, soft-drawn, 37-strand copper wire for substations with a maximum available fault current above 30. Explore Burndy's range of copper bus bars, perfect for creating common ground points and facilitating power applications. These grounding bus bars are highly customizable, featuring a variety of hole and slot patterns to meet specific project requirements. Burndy offers custom bus bar lengths up to. At the heart of a good grounding scheme is the ground bus bar: a solid, low-impedance conductor that ties all equipment grounding conductors (EGCs) together and connects them to the grounding electrode system. It ensures safe dissipation of fault current and maintains electrical system stability. Also known as a copper. Route electricity within switchboards and battery banks; also known as bus bars Create a convenient central grounding point by connecting multiple ground wires In cabinets and other tight spaces, ground multiple wires at one convenient spot Our most conductive metal for electrical applications—all.