An underground cable duct bank is a structured conduit system used to route and protect electrical cables beneath the ground in substations and utility corridors.

Key Features

• •Conduit Types: PVC, HDPE, or RGS (Rigid Galvanized Steel)
• •Configuration: Arranged in horizontal and vertical tiers
• •Concrete encasement: Protects against mechanical damage
• •Access points: Manholes or handholes for cable pulling

Design Standards

• •IEEE Std. 525-2007 for cable systems
• •IS 1255 for power cable installation
• •CEA Guidelines for underground systems

Advantages

• •Protection from physical damage and moisture
• •Extended cable life with reduced maintenance
• •Improved safety and fault containment
• •Eliminates overhead clutter