267B86-10 is a rigid vinyl cover designed for GB/GFT series terminal blocks, providing protection and organization for electrical connections. The cover is constructed of 0.030 inch thick self-extinguishing vinyl with a black matte finish on both sides, meeting safety and durability requirements for industrial applications. It features spring clips for secure attachment to terminal block mounting positions and can be imprinted with white ink to serve as a marking strip for terminal identification. The cover accommodates terminal blocks with 1 to 26 poles, making it suitable for a wide range of electrical panel configurations. This accessory is commonly used in control panels, distribution systems, and industrial equipment to protect terminal connections while maintaining accessibility for maintenance and troubleshooting.