GB5-1 4-1/2 Inch Intersystem Grounding Bridge with White Plastic Cover

4 Terminals for Multiple System Bonding Needs | Durable Die-Cast Zinc + Paintable White Cover | Accepts #2 to #14 AWG Copper & Aluminum Wires | Unified Grounding Device for Telephone, CATV & Satellite TV Systems | Connects Electrical Ground to Communication System Grounds | Prevents Electrical Surge Damage Between Different Building Systems