Crafted for robust support in underground vault applications, these cable rack support hooks provide an essential solution for organizing and securing cables effectively. Made from durable 3/16" x 1-1/2" x 1-1/8" steel material, they are hot dip galvanized to ensure long-lasting corrosion resistance in challenging environments. Designed with holes and slots, the hooks facilitate easy cable tie-in, accommodating a substantial load capacity of up to 400 lbs as per ANSI C135.35 standards. Ideal for installation in cable racks, these support hooks enhance the structural integrity of your cable management system, ensuring reliability and safety in handhole and manhole settings.