When inspecting the interior of a stainless steel outdoor electrical box distribution box, pay attention to the copper or tin-plated terminals on the base plate or side walls. These locations are usually marked with grounding symbols for easy cable crimping. Whether you're a seasoned pro or just starting out, this comprehensive guide will give you practical insights into proper grounding techniques, with a special focus on how selecting quality materials from a reliable building material supplier impacts your entire system's safety and longevity. Flexible Connection: Braided copper tape. Selecting a connector that is design to be used for the application. Silver, solid or plated; monel metal. High nickel-copper alloys For harsh environments, such as outdoors, high humidity, and salt environments. IPMENT, STRUCTURES, ETC. IN ELECTRICAL STATIONS INCLUDING TRANSMISSION AND DISTRIBUTION SUBSTAT GR THAN 8 FT FROM THE FENCE. THE FENCE SHALL BE GROUNDED SEPARATELY FROM THE GRID UNLESS OTHERWISE NOTED ON THE A PROPRIATE PROJECT DRAWING. SEE APPLICATION. Note: Check the label on the box. Pick materials that do not rust or get damaged by. The correct connection method of Distribution box grounding wire mainly includes the following steps: 1.