Installed in cable racks, these support hooks provide essential stability for cable systems used in underground vault applications. Designed to comply with the ANSI C135.35 standard and capable of supporting up to 600 lbs, they ensure a reliable foundation for your cabling needs. Crafted from durable 3/16" x 1-1/2" x 1-1/8" steel and hot dip galvanized for enhanced longevity according to ASTM A-153, these hooks are engineered for resilience in demanding environments. With strategically placed holes and slots, securing cables into these support hooks is straightforward, making them an indispensable accessory for any electrical installation professional focusing on safety and durability.