What is meaning of 8SWG gi wire?

8 SWG (Standard Wire Gauge) GI (Galvanized Iron) wire refers to a specific thickness of wire, where "8" indicates the wire's gauge size, with lower numbers representing thicker wire. SWG is a standardized system used to specify wire diameter, and an 8 SWG wire typically has a diameter of about 4.0 mm (0.157 inches). The "GI" designation indicates that the wire is coated in a layer of zinc to prevent rust and corrosion, making it suitable for outdoor and industrial applications.